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15157293016 = 2319313786939
BaseRepresentation
bin11100001110111000…
…11110111111011000
31110010100010021010211
432013130132333120
5222020231334031
610544013220504
71044416602435
oct160734367730
943110107124
1015157293016
116478995648
122b30191734
1315772cc648
14a3b08ab8c
155daa34bb1
hex38771efd8

15157293016 has 64 divisors (see below), whose sum is σ = 31715712000. Its totient is φ = 6760298880.

The previous prime is 15157293013. The next prime is 15157293029. The reversal of 15157293016 is 61039275151.

It is a self number, because there is not a number n which added to its sum of digits gives 15157293016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15157293013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130875 + ... + 217813.

It is an arithmetic number, because the mean of its divisors is an integer number (495558000).

Almost surely, 215157293016 is an apocalyptic number.

It is an amenable number.

15157293016 is an abundant number, since it is smaller than the sum of its proper divisors (16558418984).

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

15157293016 is a wasteful number, since it uses less digits than its factorization.

15157293016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87032 (or 87028 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 15157293016 in words is "fifteen billion, one hundred fifty-seven million, two hundred ninety-three thousand, sixteen".

Divisors: 1 2 4 8 19 31 37 38 62 74 76 124 148 152 248 296 589 703 1147 1178 1406 2294 2356 2812 4588 4712 5624 9176 21793 43586 86939 87172 173878 174344 347756 695512 1651841 2695109 3216743 3303682 5390218 6433486 6607364 10780436 12866972 13214728 21560872 25733944 51207071 61118117 99719033 102414142 122236234 199438066 204828284 244472468 398876132 409656568 488944936 797752264 1894661627 3789323254 7578646508 15157293016