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1310996009 = 7431764463
BaseRepresentation
bin100111000100100…
…0011011000101001
310101100212111102202
41032021003120221
510141103333014
6334031105545
744326165541
oct11611033051
93340774382
101310996009
11613028784
123070722b5
1317b7b7cab
14c6184321
157a1633de
hex4e243629

1310996009 has 4 divisors (see below), whose sum is σ = 1312761216. Its totient is φ = 1309230804.

The previous prime is 1310995963. The next prime is 1310996017. The reversal of 1310996009 is 9006990131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310996009 - 228 = 1042560553 is a prime.

It is a super-2 number, since 2×13109960092 = 3437421071227856162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310996209) 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 3 ways as a sum of consecutive naturals, for example, 881489 + ... + 882974.

It is an arithmetic number, because the mean of its divisors is an integer number (328190304).

Almost surely, 21310996009 is an apocalyptic number.

It is an amenable number.

1310996009 is a deficient number, since it is larger than the sum of its proper divisors (1765207).

1310996009 is an equidigital number, since it uses as much as digits as its factorization.

1310996009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765206.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 1310996009 is about 36207.6788678866. The cubic root of 1310996009 is about 1094.4614183122.

The spelling of 1310996009 in words is "one billion, three hundred ten million, nine hundred ninety-six thousand, nine".

Divisors: 1 743 1764463 1310996009