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23493803679 = 34377839107
BaseRepresentation
bin10101111000010101…
…101111111010011111
32020122022201212220000
4111320111233322133
5341103403204204
614443133425343
71461125015313
oct257025577237
966568655800
1023493803679
119a66704485
12467803b253
1322a5484aa8
1411cc30db43
15927852039
hex57856fe9f

23493803679 has 20 divisors (see below), whose sum is σ = 36044218584. Its totient is φ = 15239222064.

The previous prime is 23493803657. The next prime is 23493803699. The reversal of 23493803679 is 97630839432.

23493803679 is a `hidden beast` number, since 2 + 3 + 493 + 80 + 3 + 6 + 79 = 666.

It is not a de Polignac number, because 23493803679 - 27 = 23493803551 is a prime.

It is a super-2 number, since 2×234938036792 (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 (23493803699) 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 19 ways as a sum of consecutive naturals, for example, 3916557 + ... + 3922550.

Almost surely, 223493803679 is an apocalyptic number.

23493803679 is a deficient number, since it is larger than the sum of its proper divisors (12550414905).

23493803679 is an equidigital number, since it uses as much as digits as its factorization.

23493803679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839156 (or 7839147 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 23493803679 in words is "twenty-three billion, four hundred ninety-three million, eight hundred three thousand, six hundred seventy-nine".

Divisors: 1 3 9 27 37 81 111 333 999 2997 7839107 23517321 70551963 211655889 290046959 634967667 870140877 2610422631 7831267893 23493803679