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1310799492 = 2232143325409
BaseRepresentation
bin100111000100001…
…0011011010000100
310101100111111212100
41032020103122010
510141031040432
6334022552100
744324416602
oct11610233204
93340444770
101310799492
11612a04072
12306b98630
1317b749702
14c6132872
157a12507c
hex4e213684

1310799492 has 36 divisors (see below), whose sum is σ = 3315852540. Its totient is φ = 436611072.

The previous prime is 1310799439. The next prime is 1310799547. The reversal of 1310799492 is 2949970131.

It can be written as a sum of positive squares in 2 ways, for example, as 569108736 + 741690756 = 23856^2 + 27234^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38884 + ... + 64292.

It is an arithmetic number, because the mean of its divisors is an integer number (92107015).

Almost surely, 21310799492 is an apocalyptic number.

1310799492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310799492 is an abundant number, since it is smaller than the sum of its proper divisors (2005053048).

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

1310799492 is a wasteful number, since it uses less digits than its factorization.

1310799492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26852 (or 26847 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1310799492 is about 36204.9650186269. The cubic root of 1310799492 is about 1094.4067293529.

The spelling of 1310799492 in words is "one billion, three hundred ten million, seven hundred ninety-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 1433 2866 4299 5732 8598 12897 17196 25409 25794 50818 51588 76227 101636 152454 228681 304908 457362 914724 36411097 72822194 109233291 145644388 218466582 327699873 436933164 655399746 1310799492