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23912911044 = 2234114712
BaseRepresentation
bin10110010001010100…
…100001000011000100
32021201112100202010000
4112101110201003010
5342433201123134
614552504401300
71504404250551
oct262124410304
967645322100
1023912911044
11a161240000
124774476230
132341256409
14122bc49a28
1594e53be99
hex5915210c4

23912911044 has 225 divisors, whose sum is σ = 69746100655. Its totient is φ = 7144275600.

The previous prime is 23912911039. The next prime is 23912911051. The reversal of 23912911044 is 44011921932.

The square root of 23912911044 is 154638.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 336801529 + ... + 336801599.

Almost surely, 223912911044 is an apocalyptic number.

23912911044 is the 154638-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23912911044

23912911044 is an abundant number, since it is smaller than the sum of its proper divisors (45833189611).

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

23912911044 is an frugal number, since it uses more digits than its factorization.

23912911044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Multiplying 23912911044 by its sum of digits (36), we get a square (860864797584 = 9278282).

23912911044 divided by its sum of digits (36) gives a square (664247529 = 257732).

The spelling of 23912911044 in words is "twenty-three billion, nine hundred twelve million, nine hundred eleven thousand, forty-four".