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23455351808 = 21073272231
BaseRepresentation
bin10101110110000011…
…000100010000000000
32020112122101022211122
4111312003010100000
5341014032224213
614435241331412
71460150125610
oct256603042000
966478338748
1023455351808
119a46a30a79
124667196b68
13229a510ac5
1411c7180a40
159242a8d08
hex5760c4400

23455351808 has 44 divisors (see below), whose sum is σ = 53586071232. Its totient is φ = 10052290560.

The previous prime is 23455351789. The next prime is 23455351817. The reversal of 23455351808 is 80815355432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628948 + ... + 1643283.

Almost surely, 223455351808 is an apocalyptic number.

23455351808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23455351808 is an abundant number, since it is smaller than the sum of its proper divisors (30130719424).

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

23455351808 is an equidigital number, since it uses as much as digits as its factorization.

23455351808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272258 (or 3272240 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 23455351808 in words is "twenty-three billion, four hundred fifty-five million, three hundred fifty-one thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 3584 7168 3272231 6544462 13088924 22905617 26177848 45811234 52355696 91622468 104711392 183244936 209422784 366489872 418845568 732979744 837691136 1465959488 1675382272 2931918976 3350764544 5863837952 11727675904 23455351808