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23957965340 = 2251197898267
BaseRepresentation
bin10110010100000000…
…011000101000011100
32021211200010201222122
4112110000120220130
5343031214342330
615001154202112
71505462226311
oct262400305034
967750121878
1023957965340
11a184712a61
124787583338
13234a69c66a
141233c16d08
1595348b5e5
hex594018a1c

23957965340 has 12 divisors (see below), whose sum is σ = 50311727256. Its totient is φ = 9583186128.

The previous prime is 23957965327. The next prime is 23957965397. The reversal of 23957965340 is 4356975932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598949114 + ... + 598949153.

It is an arithmetic number, because the mean of its divisors is an integer number (4192643938).

Almost surely, 223957965340 is an apocalyptic number.

23957965340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23957965340 is an abundant number, since it is smaller than the sum of its proper divisors (26353761916).

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

23957965340 is a wasteful number, since it uses less digits than its factorization.

23957965340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197898276 (or 1197898274 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 23957965340 in words is "twenty-three billion, nine hundred fifty-seven million, nine hundred sixty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1197898267 2395796534 4791593068 5989491335 11978982670 23957965340