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23852478417 = 323425381281
BaseRepresentation
bin10110001101101101…
…111110111111010001
32021120022122110010120
4112031231332333101
5342322213302132
614542505220453
71503041502255
oct261555767721
967508573116
1023852478417
11a130114089
124758191729
132331887571
141223bd8265
159490a102c
hex58db7efd1

23852478417 has 16 divisors (see below), whose sum is σ = 33194268288. Its totient is φ = 15206512640.

The previous prime is 23852478407. The next prime is 23852478431. The reversal of 23852478417 is 71487425832.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23852478417 - 24 = 23852478401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23852478417.

It is not an unprimeable number, because it can be changed into a prime (23852478407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252817 + ... + 334097.

It is an arithmetic number, because the mean of its divisors is an integer number (2074641768).

Almost surely, 223852478417 is an apocalyptic number.

It is an amenable number.

23852478417 is a deficient number, since it is larger than the sum of its proper divisors (9341789871).

23852478417 is a wasteful number, since it uses less digits than its factorization.

23852478417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85560.

The product of its digits is 3010560, while the sum is 51.

The spelling of 23852478417 in words is "twenty-three billion, eight hundred fifty-two million, four hundred seventy-eight thousand, four hundred seventeen".

Divisors: 1 3 23 69 4253 12759 81281 97819 243843 293457 1869463 5608389 345688093 1037064279 7950826139 23852478417