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80826925919 is a prime number
BaseRepresentation
bin100101101000110101…
…0010000001101011111
321201121222010021002212
41023101222100031133
52311013143112134
6101044213311035
75560652351225
oct1132152201537
9251558107085
1080826925919
1131307768833
12137b893547b
1378115546ac
143caa912b15
152180db3bce
hex12d1a9035f

80826925919 has 2 divisors, whose sum is σ = 80826925920. Its totient is φ = 80826925918.

The previous prime is 80826925913. The next prime is 80826925957. The reversal of 80826925919 is 91952962808.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80826925919 is a prime.

It is a super-2 number, since 2×808269259192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80826925913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40413462959 + 40413462960.

It is an arithmetic number, because the mean of its divisors is an integer number (40413462960).

Almost surely, 280826925919 is an apocalyptic number.

80826925919 is a deficient number, since it is larger than the sum of its proper divisors (1).

80826925919 is an equidigital number, since it uses as much as digits as its factorization.

80826925919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 80826925919 in words is "eighty billion, eight hundred twenty-six million, nine hundred twenty-five thousand, nine hundred nineteen".