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15372770140 = 22571326473191
BaseRepresentation
bin11100101000100100…
…11101101101011100
31110200100120122012001
432110102131231130
5222440412121030
611021231452044
71052644250560
oct162422355534
943610518161
1015372770140
116579589812
122b90387024
1315acb454c0
14a5b93b6a0
155ee8e9cca
hex39449db5c

15372770140 has 96 divisors (see below), whose sum is σ = 39760164864. Its totient is φ = 4861866240.

The previous prime is 15372770129. The next prime is 15372770213. The reversal of 15372770140 is 4107727351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15372770140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4815945 + ... + 4819135.

It is an arithmetic number, because the mean of its divisors is an integer number (414168384).

Almost surely, 215372770140 is an apocalyptic number.

15372770140 is a gapful number since it is divisible by the number (10) 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 15372770140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19880082432).

15372770140 is an abundant number, since it is smaller than the sum of its proper divisors (24387394724).

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

15372770140 is a wasteful number, since it uses less digits than its factorization.

15372770140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867 (or 5865 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 15372770140 in words is "fifteen billion, three hundred seventy-two million, seven hundred seventy thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 2647 3191 5294 6382 10588 12764 13235 15955 18529 22337 26470 31910 34411 37058 41483 44674 52940 63820 68822 74116 82966 89348 92645 111685 137644 165932 172055 185290 207415 223370 240877 290381 344110 370580 414830 446740 481754 580762 688220 829660 963508 1161524 1204385 1451905 2408770 2903810 4817540 5807620 8446577 16893154 33786308 42232885 59126039 84465770 109805501 118252078 168931540 219611002 236504156 295630195 439222004 549027505 591260390 768638507 1098055010 1182520780 1537277014 2196110020 3074554028 3843192535 7686385070 15372770140