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1313911370 = 251947914437
BaseRepresentation
bin100111001010000…
…1011001001001010
310101120100121120002
41032110023021022
510142330130440
6334213403002
744363030252
oct11624131112
93346317502
101313911370
1161473a072
12308039462
1317c298c65
14c6702962
157a53c115
hex4e50b24a

1313911370 has 32 divisors (see below), whose sum is σ = 2494886400. Its totient is φ = 496829376.

The previous prime is 1313911349. The next prime is 1313911429. The reversal of 1313911370 is 731193131.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 83792 + ... + 98228.

It is an arithmetic number, because the mean of its divisors is an integer number (77965200).

Almost surely, 21313911370 is an apocalyptic number.

1313911370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313911370 is a deficient number, since it is larger than the sum of its proper divisors (1180975030).

1313911370 is a wasteful number, since it uses less digits than its factorization.

1313911370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14942.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1313911370 is about 36247.9153883365. The cubic root of 1313911370 is about 1095.2720965701.

The spelling of 1313911370 in words is "one billion, three hundred thirteen million, nine hundred eleven thousand, three hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 479 958 2395 4790 9101 14437 18202 28874 45505 72185 91010 144370 274303 548606 1371515 2743030 6915323 13830646 34576615 69153230 131391137 262782274 656955685 1313911370