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32457000156 = 22371375728087
BaseRepresentation
bin11110001110100101…
…101000010011011100
310002202222120102221220
4132032211220103130
51012432443001111
622524402053340
72226212643420
oct361645502334
9102688512856
1032457000156
1112846148679
12635994a250
1330a341a449
1417dc8a4b80
15c9e6ade06
hex78e9684dc

32457000156 has 48 divisors (see below), whose sum is σ = 86561373696. Its totient is φ = 9272424384.

The previous prime is 32457000143. The next prime is 32457000167. The reversal of 32457000156 is 65100075423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141545 + ... + 1169631.

It is an arithmetic number, because the mean of its divisors is an integer number (1803361952).

Almost surely, 232457000156 is an apocalyptic number.

32457000156 is the 96299-th nonagonal number.

It is an amenable number.

32457000156 is an abundant number, since it is smaller than the sum of its proper divisors (54104373540).

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

32457000156 is a wasteful number, since it uses less digits than its factorization.

32457000156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41858 (or 41856 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 32457000156 its reverse (65100075423), we get a palindrome (97557075579).

The spelling of 32457000156 in words is "thirty-two billion, four hundred fifty-seven million, one hundred fifty-six", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 13757 27514 28087 41271 55028 56174 82542 84261 96299 112348 165084 168522 192598 196609 288897 337044 385196 393218 577794 589827 786436 1155588 1179654 2359308 386392859 772785718 1159178577 1545571436 2318357154 2704750013 4636714308 5409500026 8114250039 10819000052 16228500078 32457000156