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24140023431 = 319222289957
BaseRepresentation
bin10110011110110110…
…111000011010000111
32022022100201020201220
4112132312320122013
5343414321222211
615031220251423
71513132546026
oct263666703207
968270636656
1024140023431
11a268460997
124818540b73
132379314244
1412500888bd
1596444e806
hex59edb8687

24140023431 has 12 divisors (see below), whose sum is σ = 33969895992. Its totient is φ = 15246329904.

The previous prime is 24140023417. The next prime is 24140023459. The reversal of 24140023431 is 13432004142.

It is not a de Polignac number, because 24140023431 - 29 = 24140022919 is a prime.

It is a super-2 number, since 2×241400234312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24140023471) 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, 11143896 + ... + 11146061.

It is an arithmetic number, because the mean of its divisors is an integer number (2830824666).

Almost surely, 224140023431 is an apocalyptic number.

24140023431 is a deficient number, since it is larger than the sum of its proper divisors (9829872561).

24140023431 is a wasteful number, since it uses less digits than its factorization.

24140023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289998 (or 22289979 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 24140023431 its reverse (13432004142), we get a palindrome (37572027573).

The spelling of 24140023431 in words is "twenty-four billion, one hundred forty million, twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 19 57 361 1083 22289957 66869871 423509183 1270527549 8046674477 24140023431