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76619619664031 is a prime number
BaseRepresentation
bin10001011010111101100101…
…001101101000000010011111
3101001021202122000212120120102
4101122331211031220002133
540020313440113222111
6430542322314211315
722065404413264013
oct2132754515500237
9331252560776512
1076619619664031
112246021a916044
12871548b723b3b
13339a278653852
1414cc5a3498543
158cd0bae8a13b
hex45af6536809f

76619619664031 has 2 divisors, whose sum is σ = 76619619664032. Its totient is φ = 76619619664030.

The previous prime is 76619619664009. The next prime is 76619619664033. The reversal of 76619619664031 is 13046691691667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76619619664031 - 218 = 76619619401887 is a prime.

It is a super-2 number, since 2×766196196640312 (a number of 29 digits) contains 22 as substring.

Together with 76619619664033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76619619664033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38309809832015 + 38309809832016.

It is an arithmetic number, because the mean of its divisors is an integer number (38309809832016).

Almost surely, 276619619664031 is an apocalyptic number.

76619619664031 is a deficient number, since it is larger than the sum of its proper divisors (1).

76619619664031 is an equidigital number, since it uses as much as digits as its factorization.

76619619664031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52907904, while the sum is 65.

The spelling of 76619619664031 in words is "seventy-six trillion, six hundred nineteen billion, six hundred nineteen million, six hundred sixty-four thousand, thirty-one".