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8130540739 is a prime number
BaseRepresentation
bin1111001001001111…
…00011010011000011
3202222122001021010111
413210213203103003
5113122404300424
63422441412151
7405324312256
oct74447432303
922878037114
108130540739
1134a2529662
1216aaa9a057
139c75baa69
14571b6909d
15328bd4194
hex1e49e34c3

8130540739 has 2 divisors, whose sum is σ = 8130540740. Its totient is φ = 8130540738.

The previous prime is 8130540727. The next prime is 8130540757. The reversal of 8130540739 is 9370450318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8130540739 - 25 = 8130540707 is a prime.

It is a super-2 number, since 2×81305407392 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8130543739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065270369 + 4065270370.

It is an arithmetic number, because the mean of its divisors is an integer number (4065270370).

Almost surely, 28130540739 is an apocalyptic number.

8130540739 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130540739 is an equidigital number, since it uses as much as digits as its factorization.

8130540739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 8130540739 is about 90169.5111387436. The cubic root of 8130540739 is about 2010.8197558057.

The spelling of 8130540739 in words is "eight billion, one hundred thirty million, five hundred forty thousand, seven hundred thirty-nine".