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13051968 = 26367979
BaseRepresentation
bin110001110010…
…100001000000
3220120002221020
4301302201000
511320130333
61143425440
7215640246
oct61624100
926502836
1013051968
117405156
124455280
13291ca77
141a3a796
15122c3b3
hexc72840

13051968 has 28 divisors (see below), whose sum is σ = 34533840. Its totient is φ = 4350592.

The previous prime is 13051949. The next prime is 13051979. The reversal of 13051968 is 86915031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33798 + ... + 34181.

Almost surely, 213051968 is an apocalyptic number.

It is an amenable number.

13051968 is an abundant number, since it is smaller than the sum of its proper divisors (21481872).

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

13051968 is an equidigital number, since it uses as much as digits as its factorization.

13051968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67994 (or 67984 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13051968 is about 3612.7507525430. The cubic root of 13051968 is about 235.4463705578.

Adding to 13051968 its reverse (86915031), we get a palindrome (99966999).

The spelling of 13051968 in words is "thirteen million, fifty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 67979 135958 203937 271916 407874 543832 815748 1087664 1631496 2175328 3262992 4350656 6525984 13051968