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23712543932 = 227211193171263
BaseRepresentation
bin10110000101011000…
…001011010010111100
32021012120100001002212
4112011120023102330
5342030402401212
614520550035552
71466422204100
oct260530132274
967176301085
1023712543932
11a069127250
124719348bb8
13230b8a0cac
14120d3ad900
1593bb5de22
hex58560b4bc

23712543932 has 288 divisors, whose sum is σ = 58246594560. Its totient is φ = 8319024000.

The previous prime is 23712543929. The next prime is 23712543997. The reversal of 23712543932 is 23934521732.

It is a self number, because there is not a number n which added to its sum of digits gives 23712543932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90161633 + ... + 90161895.

It is an arithmetic number, because the mean of its divisors is an integer number (202245120).

Almost surely, 223712543932 is an apocalyptic number.

23712543932 is a gapful number since it is divisible by the number (22) 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 23712543932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29123297280).

23712543932 is an abundant number, since it is smaller than the sum of its proper divisors (34534050628).

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

23712543932 is a wasteful number, since it uses less digits than its factorization.

23712543932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 404 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The spelling of 23712543932 in words is "twenty-three billion, seven hundred twelve million, five hundred forty-three thousand, nine hundred thirty-two".