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23231401152 = 2631031174727
BaseRepresentation
bin10101101000101100…
…110000110011000000
32012222000222110021220
4111220230300303000
5340034214314102
614401121315040
71451460436341
oct255054606300
965860873256
1023231401152
11994157a593
124604195a80
132262cbc11b
1411a55260c8
1590e7bd1bc
hex568b30cc0

23231401152 has 56 divisors (see below), whose sum is σ = 62063229696. Its totient is φ = 7668611328.

The previous prime is 23231401139. The next prime is 23231401169. The reversal of 23231401152 is 25110413232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567588 + ... + 607139.

Almost surely, 223231401152 is an apocalyptic number.

It is an amenable number.

23231401152 is an abundant number, since it is smaller than the sum of its proper divisors (38831828544).

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

23231401152 is a wasteful number, since it uses less digits than its factorization.

23231401152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174845 (or 1174835 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23231401152 its reverse (25110413232), we get a palindrome (48341814384).

The spelling of 23231401152 in words is "twenty-three billion, two hundred thirty-one million, four hundred one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 192 206 309 412 618 824 1236 1648 2472 3296 4944 6592 9888 19776 1174727 2349454 3524181 4698908 7048362 9397816 14096724 18795632 28193448 37591264 56386896 75182528 112773792 120996881 225547584 241993762 362990643 483987524 725981286 967975048 1451962572 1935950096 2903925144 3871900192 5807850288 7743800384 11615700576 23231401152