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1312653984 = 25313673479
BaseRepresentation
bin100111000111101…
…1000001010100000
310101110222201202020
41032033120022200
510142014411414
6334130421440
744346242355
oct11617301240
93343881666
101312653984
11613a60404
12307731880
1317bc48845
14c649662c
157a38e7a9
hex4e3d82a0

1312653984 has 24 divisors (see below), whose sum is σ = 3445716960. Its totient is φ = 437551296.

The previous prime is 1312653961. The next prime is 1312654001. The reversal of 1312653984 is 4893562131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13126539842 = 3446120963422144512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836644 + ... + 6836835.

It is an arithmetic number, because the mean of its divisors is an integer number (143571540).

Almost surely, 21312653984 is an apocalyptic number.

It is an amenable number.

1312653984 is an abundant number, since it is smaller than the sum of its proper divisors (2133062976).

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

1312653984 is a wasteful number, since it uses less digits than its factorization.

1312653984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673492 (or 13673484 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 1312653984 is about 36230.5669842469. The cubic root of 1312653984 is about 1094.9226008135.

The spelling of 1312653984 in words is "one billion, three hundred twelve million, six hundred fifty-three thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 13673479 27346958 41020437 54693916 82040874 109387832 164081748 218775664 328163496 437551328 656326992 1312653984