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1312686054 = 233128318947
BaseRepresentation
bin100111000111101…
…1111111111100110
310101111001100202000
41032033133333212
510142021423204
6334131230130
744346435021
oct11617377746
93344040660
101312686054
11613a82509
12307748346
1317bc5a314
14c64a41b8
157a399039
hex4e3dffe6

1312686054 has 32 divisors (see below), whose sum is σ = 2919507840. Its totient is φ = 437197896.

The previous prime is 1312686047. The next prime is 1312686091. The reversal of 1312686054 is 4506862131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59809 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (91234620).

Almost surely, 21312686054 is an apocalyptic number.

1312686054 is an abundant number, since it is smaller than the sum of its proper divisors (1606821786).

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

1312686054 is a wasteful number, since it uses less digits than its factorization.

1312686054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20241 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1312686054 is about 36231.0095636321. The cubic root of 1312686054 is about 1094.9315175786.

The spelling of 1312686054 in words is "one billion, three hundred twelve million, six hundred eighty-six thousand, fifty-four".

Divisors: 1 2 3 6 9 18 27 54 1283 2566 3849 7698 11547 18947 23094 34641 37894 56841 69282 113682 170523 341046 511569 1023138 24309001 48618002 72927003 145854006 218781009 437562018 656343027 1312686054