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1312300996 = 2221127369
BaseRepresentation
bin100111000111000…
…0001111111000100
310101110022210112121
41032032001333010
510141422112441
6334115055324
744343242266
oct11616017704
93343283477
101312300996
1161383a186
123075a1544
1317bb53c86
14c6403b36
157a31edd1
hex4e381fc4

1312300996 has 18 divisors (see below), whose sum is σ = 2307775470. Its totient is φ = 652952160.

The previous prime is 1312300973. The next prime is 1312301017. The reversal of 1312300996 is 6990032131.

It can be written as a sum of positive squares in only one way, i.e., 1286656900 + 25644096 = 35870^2 + 5064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174400 + ... + 181768.

Almost surely, 21312300996 is an apocalyptic number.

It is an amenable number.

1312300996 is a deficient number, since it is larger than the sum of its proper divisors (995474474).

1312300996 is an equidigital number, since it uses as much as digits as its factorization.

1312300996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1312300996 is about 36225.6952452261. The cubic root of 1312300996 is about 1094.8244461860.

The spelling of 1312300996 in words is "one billion, three hundred twelve million, three hundred thousand, nine hundred ninety-six".

Divisors: 1 2 4 211 422 844 7369 14738 29476 44521 89042 178084 1554859 3109718 6219436 328075249 656150498 1312300996