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23493939048 = 23321129289021
BaseRepresentation
bin10101111000010110…
…010000111101101000
32020122022222202120200
4111320112100331220
5341103422022143
614443140352200
71461126121056
oct257026207550
966568882520
1023493939048
119a66797158
1246780a5660
1322a55015a8
1411cc3471d6
1592787c1d3
hex578590f68

23493939048 has 48 divisors (see below), whose sum is σ = 63685997700. Its totient is φ = 7824349440.

The previous prime is 23493939047. The next prime is 23493939059. The reversal of 23493939048 is 84093939432.

23493939048 is a `hidden beast` number, since 23 + 493 + 9 + 3 + 90 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20592824004 + 2901115044 = 143502^2 + 53862^2 .

It is a super-2 number, since 2×234939390482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23493938985 and 23493939003.

It is not an unprimeable number, because it can be changed into a prime (23493939043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63223 + ... + 225798.

Almost surely, 223493939048 is an apocalyptic number.

It is an amenable number.

23493939048 is an abundant number, since it is smaller than the sum of its proper divisors (40192058652).

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

23493939048 is a wasteful number, since it uses less digits than its factorization.

23493939048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290162 (or 290155 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 23493939048 in words is "twenty-three billion, four hundred ninety-three million, nine hundred thirty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1129 2258 3387 4516 6774 9032 10161 13548 20322 27096 40644 81288 289021 578042 867063 1156084 1734126 2312168 2601189 3468252 5202378 6936504 10404756 20809512 326304709 652609418 978914127 1305218836 1957828254 2610437672 2936742381 3915656508 5873484762 7831313016 11746969524 23493939048