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23897463121 = 721831266359
BaseRepresentation
bin10110010000011001…
…100101100101010001
32021200110021220112201
4112100121211211101
5342420222304441
614551153323201
71504126041100
oct262031454521
967613256481
1023897463121
11a153549824
12476b266501
13233aca7c2c
141229b88037
1594ced9c31
hex590665951

23897463121 has 12 divisors (see below), whose sum is σ = 27814376640. Its totient is φ = 20472275880.

The previous prime is 23897463113. The next prime is 23897463181. The reversal of 23897463121 is 12136479832.

It is not a de Polignac number, because 23897463121 - 23 = 23897463113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23897463181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43461 + ... + 222898.

It is an arithmetic number, because the mean of its divisors is an integer number (2317864720).

Almost surely, 223897463121 is an apocalyptic number.

It is an amenable number.

23897463121 is a deficient number, since it is larger than the sum of its proper divisors (3916913519).

23897463121 is a wasteful number, since it uses less digits than its factorization.

23897463121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268204 (or 268197 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The spelling of 23897463121 in words is "twenty-three billion, eight hundred ninety-seven million, four hundred sixty-three thousand, one hundred twenty-one".

Divisors: 1 7 49 1831 12817 89719 266359 1864513 13051591 487703329 3413923303 23897463121