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105533510112 = 25321753406699
BaseRepresentation
bin110001001001001001…
…0011001000111100000
3101002101210220210002200
41202102102121013200
53212113034310422
6120251553213200
710424135015022
oct1422222310740
9332353823080
10105533510112
1140835a08158
1218552b61200
139c4b056c94
145171d1c012
152b29e282ac
hex18924991e0

105533510112 has 144 divisors (see below), whose sum is σ = 323760855600. Its totient is φ = 32483782656.

The previous prime is 105533510083. The next prime is 105533510113. The reversal of 105533510112 is 211015335501.

105533510112 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 33 + 510 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1055335101122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105533510113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56139 + ... + 462837.

It is an arithmetic number, because the mean of its divisors is an integer number (2248339275).

Almost surely, 2105533510112 is an apocalyptic number.

105533510112 is a gapful number since it is divisible by the number (12) 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 105533510112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161880427800).

105533510112 is an abundant number, since it is smaller than the sum of its proper divisors (218227345488).

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

105533510112 is a wasteful number, since it uses less digits than its factorization.

105533510112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406785 (or 406774 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 105533510112 its reverse (211015335501), we get a palindrome (316548845613).

The spelling of 105533510112 in words is "one hundred five billion, five hundred thirty-three million, five hundred ten thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 53 68 72 96 102 106 136 144 153 159 204 212 272 288 306 318 408 424 477 544 612 636 816 848 901 954 1224 1272 1632 1696 1802 1908 2448 2544 2703 3604 3816 4896 5088 5406 7208 7632 8109 10812 14416 15264 16218 21624 28832 32436 43248 64872 86496 129744 259488 406699 813398 1220097 1626796 2440194 3253592 3660291 4880388 6507184 6913883 7320582 9760776 13014368 13827766 14641164 19521552 20741649 21555047 27655532 29282328 39043104 41483298 43110094 55311064 58564656 62224947 64665141 82966596 86220188 110622128 117129312 124449894 129330282 165933192 172440376 193995423 221244256 248899788 258660564 331866384 344880752 366435799 387990846 497799576 517321128 663732768 689761504 732871598 775981692 995599152 1034642256 1099307397 1465743196 1551963384 1991198304 2069284512 2198614794 2931486392 3103926768 3297922191 4397229588 5862972784 6207853536 6595844382 8794459176 11725945568 13191688764 17588918352 26383377528 35177836704 52766755056 105533510112