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1312919204 = 222913186399
BaseRepresentation
bin100111001000001…
…1000111010100100
310101111111012120012
41032100120322210
510142101403304
6334140225352
744351425532
oct11620307244
93344435505
101312919204
116141216a3
1230783b258
1317c00c48c
14c6525152
157a3e316e
hex4e418ea4

1312919204 has 24 divisors (see below), whose sum is σ = 2395008000. Its totient is φ = 628977440.

The previous prime is 1312919191. The next prime is 1312919207. The reversal of 1312919204 is 4029192131.

It is not an unprimeable number, because it can be changed into a prime (1312919207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28004 + ... + 58395.

It is an arithmetic number, because the mean of its divisors is an integer number (99792000).

Almost surely, 21312919204 is an apocalyptic number.

It is an amenable number.

1312919204 is a deficient number, since it is larger than the sum of its proper divisors (1082088796).

1312919204 is a wasteful number, since it uses less digits than its factorization.

1312919204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86563 (or 86561 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1312919204 is about 36234.2269684341. The cubic root of 1312919204 is about 1094.9963384016.

The spelling of 1312919204 in words is "one billion, three hundred twelve million, nine hundred nineteen thousand, two hundred four".

Divisors: 1 2 4 29 58 116 131 262 524 3799 7598 15196 86399 172798 345596 2505571 5011142 10022284 11318269 22636538 45273076 328229801 656459602 1312919204