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13023326368 = 251378739779
BaseRepresentation
bin11000010000100000…
…00011000010100000
31020121121200112020001
430020100003002200
5203132432420433
65552143025344
7640505306353
oct141020030240
936547615201
1013023326368
115583367948
12263559b254
1312c717b1a0
148b78bc29a
1551350d57d
hex3084030a0

13023326368 has 48 divisors (see below), whose sum is σ = 27647736480. Its totient is φ = 6002977536.

The previous prime is 13023326297. The next prime is 13023326383. The reversal of 13023326368 is 86362332031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307503 + ... + 347281.

It is an arithmetic number, because the mean of its divisors is an integer number (575994510).

Almost surely, 213023326368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023326368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13823868240).

13023326368 is an abundant number, since it is smaller than the sum of its proper divisors (14624410112).

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

13023326368 is a wasteful number, since it uses less digits than its factorization.

13023326368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40589 (or 40581 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 13023326368 its reverse (86362332031), we get a palindrome (99385658399).

The spelling of 13023326368 in words is "thirteen billion, twenty-three million, three hundred twenty-six thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 787 1574 3148 6296 10231 12592 20462 25184 39779 40924 79558 81848 159116 163696 318232 327392 517127 636464 1034254 1272928 2068508 4137016 8274032 16548064 31306073 62612146 125224292 250448584 406978949 500897168 813957898 1001794336 1627915796 3255831592 6511663184 13023326368