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15729004103868 = 223211149487154727
BaseRepresentation
bin1110010011100011000110…
…1100111100100010111100
32001200200022100011220200200
43210320301230330202330
54030201000022310433
653241445453323500
73212245245632526
oct344706154744274
961620270156620
1015729004103868
1150146a6842750
121920477796590
138a1314620553
143c5405c64a16
151c4232bc5613
hexe4e31b3c8bc

15729004103868 has 144 divisors (see below), whose sum is σ = 43674782860800. Its totient is φ = 4733317411200.

The previous prime is 15729004103863. The next prime is 15729004103893. The reversal of 15729004103868 is 86830140092751.

15729004103868 is a `hidden beast` number, since 1 + 57 + 2 + 90 + 0 + 410 + 38 + 68 = 666.

It is a super-2 number, since 2×157290041038682 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15729004103863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287381121 + ... + 287435847.

It is an arithmetic number, because the mean of its divisors is an integer number (303297103200).

It is a 1-persistent number, because it is pandigital, but 2⋅15729004103868 = 31458008207736 is not.

Almost surely, 215729004103868 is an apocalyptic number.

15729004103868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15729004103868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21837391430400).

15729004103868 is an abundant number, since it is smaller than the sum of its proper divisors (27945778756932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15729004103868 is a wasteful number, since it uses less digits than its factorization.

15729004103868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59768 (or 59763 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 15729004103868 in words is "fifteen trillion, seven hundred twenty-nine billion, four million, one hundred three thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 149 198 298 396 447 596 894 1341 1639 1788 2682 3278 4871 4917 5364 6556 9742 9834 14613 14751 19484 19668 29226 29502 43839 53581 54727 58452 59004 87678 107162 109454 160743 164181 175356 214324 218908 321486 328362 482229 492543 601997 642972 656724 725779 964458 985086 1203994 1451558 1805991 1928916 1970172 2177337 2407988 2903116 3611982 4354674 5417973 6532011 7223964 7983569 8154323 8709348 10835946 13064022 15967138 16308646 21671892 23950707 24462969 26128044 31934276 32617292 47901414 48925938 71852121 73388907 89697553 95802828 97851876 143704242 146777814 179395106 266575217 269092659 287408484 293555628 358790212 533150434 538185318 799725651 807277977 1066300868 1076370636 1599451302 1614555954 2399176953 2932327387 3198902604 3229111908 4798353906 5864654774 8796982161 9596707812 11729309548 17593964322 26390946483 35187928644 39719707333 52781892966 79439414666 105563785932 119159121999 158878829332 238318243998 357477365997 436916780663 476636487996 714954731994 873833561326 1310750341989 1429909463988 1747667122652 2621500683978 3932251025967 5243001367956 7864502051934 15729004103868