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2308913137 is a prime number
BaseRepresentation
bin1000100110011111…
…0011011111110001
312221220121221101101
42021213303133301
514212040210022
61021040004401
7111134303116
oct21147633761
95856557341
102308913137
11a85359683
12545300701
132aa4760bb
1417c90c90d
15d7a82627
hex899f37f1

2308913137 has 2 divisors, whose sum is σ = 2308913138. Its totient is φ = 2308913136.

The previous prime is 2308913119. The next prime is 2308913143. The reversal of 2308913137 is 7313198032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1197090801 + 1111822336 = 34599^2 + 33344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2308913137 - 211 = 2308911089 is a prime.

It is a super-2 number, since 2×23089131372 = 10662159748422361538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2308913096 and 2308913105.

It is not a weakly prime, because it can be changed into another prime (2308913437) 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 as a sum of consecutive naturals, namely, 1154456568 + 1154456569.

It is an arithmetic number, because the mean of its divisors is an integer number (1154456569).

Almost surely, 22308913137 is an apocalyptic number.

It is an amenable number.

2308913137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308913137 is an equidigital number, since it uses as much as digits as its factorization.

2308913137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2308913137 is about 48051.1512557191. The cubic root of 2308913137 is about 1321.7090536778.

The spelling of 2308913137 in words is "two billion, three hundred eight million, nine hundred thirteen thousand, one hundred thirty-seven".