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80902531607 is a prime number
BaseRepresentation
bin100101101011000101…
…0101010101000010111
321201211020101102121112
41023112022222220113
52311142022002412
6101055514005235
75562561113042
oct1132612525027
9251736342545
1080902531607
1131346408477
121381a11681b
1378241068a1
143cb6993c59
15218784a722
hex12d62aaa17

80902531607 has 2 divisors, whose sum is σ = 80902531608. Its totient is φ = 80902531606.

The previous prime is 80902531583. The next prime is 80902531627. The reversal of 80902531607 is 70613520908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80902531607 - 218 = 80902269463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80902531627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40451265803 + 40451265804.

It is an arithmetic number, because the mean of its divisors is an integer number (40451265804).

Almost surely, 280902531607 is an apocalyptic number.

80902531607 is a deficient number, since it is larger than the sum of its proper divisors (1).

80902531607 is an equidigital number, since it uses as much as digits as its factorization.

80902531607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 80902531607 in words is "eighty billion, nine hundred two million, five hundred thirty-one thousand, six hundred seven".