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1313479701 = 32145942189
BaseRepresentation
bin100111001001010…
…0001110000010101
310101112112200102100
41032102201300111
510142222322301
6334200232313
744356251612
oct11622416025
93345480370
101313479701
11614474816
12307a6b699
1317c177631
14c662d509
157a4a4286
hex4e4a1c15

1313479701 has 6 divisors (see below), whose sum is σ = 1897248470. Its totient is φ = 875653128.

The previous prime is 1313479681. The next prime is 1313479723. The reversal of 1313479701 is 1079743131.

It can be written as a sum of positive squares in only one way, i.e., 855562500 + 457917201 = 29250^2 + 21399^2 .

It is not a de Polignac number, because 1313479701 - 25 = 1313479669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313479751) 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 5 ways as a sum of consecutive naturals, for example, 72971086 + ... + 72971103.

Almost surely, 21313479701 is an apocalyptic number.

It is an amenable number.

1313479701 is a deficient number, since it is larger than the sum of its proper divisors (583768769).

1313479701 is a wasteful number, since it uses less digits than its factorization.

1313479701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145942195 (or 145942192 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 1313479701 is about 36241.9605016064. The cubic root of 1313479701 is about 1095.1521374902.

The spelling of 1313479701 in words is "one billion, three hundred thirteen million, four hundred seventy-nine thousand, seven hundred one".

Divisors: 1 3 9 145942189 437826567 1313479701