Search a number
-
+
1312315908937 = 11672816336721
BaseRepresentation
bin10011000110001100000…
…111111010001101001001
311122110022112220110011121
4103012030013322031021
5133000110333041222
62442511500155241
7163545261114415
oct23061407721511
94573275813147
101312315908937
11466606133930
12192403b38b21
139699b83a017
144773311bd45
152420a2985c7
hex1318c1fa349

1312315908937 has 16 divisors (see below), whose sum is σ = 1458155772864. Its totient is φ = 1171025856000.

The previous prime is 1312315908881. The next prime is 1312315908971. The reversal of 1312315908937 is 7398095132131.

It is not a de Polignac number, because 1312315908937 - 227 = 1312181691209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312315909937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2961264 + ... + 3375457.

It is an arithmetic number, because the mean of its divisors is an integer number (91134735804).

Almost surely, 21312315908937 is an apocalyptic number.

It is an amenable number.

1312315908937 is a deficient number, since it is larger than the sum of its proper divisors (145839863927).

1312315908937 is a wasteful number, since it uses less digits than its factorization.

1312315908937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337080.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 1312315908937 in words is "one trillion, three hundred twelve billion, three hundred fifteen million, nine hundred eight thousand, nine hundred thirty-seven".

Divisors: 1 11 67 281 737 3091 18827 207097 6336721 69703931 424560307 1780618601 4670163377 19586804611 119301446267 1312315908937