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1312520082 = 231128719381
BaseRepresentation
bin100111000111011…
…0111011110010010
310101110201221001220
41032032313132102
510142001120312
6334123505510
744345144106
oct11616673622
93343657056
101312520082
11613979845
12307688296
1317bbcc903
14c645d906
157a364c8c
hex4e3b7792

1312520082 has 16 divisors (see below), whose sum is σ = 2625408192. Its totient is φ = 437445360.

The previous prime is 1312520081. The next prime is 1312520159. The reversal of 1312520082 is 2800252131.

It is not an unprimeable number, because it can be changed into a prime (1312520081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58032 + ... + 77412.

It is an arithmetic number, because the mean of its divisors is an integer number (164088012).

Almost surely, 21312520082 is an apocalyptic number.

1312520082 is an abundant number, since it is smaller than the sum of its proper divisors (1312888110).

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

1312520082 is a wasteful number, since it uses less digits than its factorization.

1312520082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1312520082 is about 36228.7190223447. The cubic root of 1312520082 is about 1094.8853690389.

The spelling of 1312520082 in words is "one billion, three hundred twelve million, five hundred twenty thousand, eighty-two".

Divisors: 1 2 3 6 11287 19381 22574 33861 38762 58143 67722 116286 218753347 437506694 656260041 1312520082