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8307131117 = 37322271129
BaseRepresentation
bin1111011110010010…
…01100001011101101
3210102221022222120212
413233021030023231
5114003111143432
63452150352205
7412600310105
oct75711141355
923387288525
108307131117
11358318261a
12173a05b665
13a250699cc
1458b3b6205
153394672b2
hex1ef24c2ed

8307131117 has 4 divisors (see below), whose sum is σ = 8329402620. Its totient is φ = 8284859616.

The previous prime is 8307131081. The next prime is 8307131143. The reversal of 8307131117 is 7111317038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1716776356 + 6590354761 = 41434^2 + 81181^2 .

It is a cyclic number.

It is not a de Polignac number, because 8307131117 - 222 = 8302936813 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 (8307131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11135192 + ... + 11135937.

It is an arithmetic number, because the mean of its divisors is an integer number (2082350655).

Almost surely, 28307131117 is an apocalyptic number.

It is an amenable number.

8307131117 is a deficient number, since it is larger than the sum of its proper divisors (22271503).

8307131117 is a wasteful number, since it uses less digits than its factorization.

8307131117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22271502.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 8307131117 is about 91143.4644777123. The cubic root of 8307131117 is about 2025.2735385807.

The spelling of 8307131117 in words is "eight billion, three hundred seven million, one hundred thirty-one thousand, one hundred seventeen".

Divisors: 1 373 22271129 8307131117