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10802536991 is a prime number
BaseRepresentation
bin10100000111110000…
…11010001000011111
31000212211212201220122
422003320122020133
5134110422140431
64543531505155
7531461022641
oct120370321037
930784781818
1010802536991
114643828a24
1221158b81bb
13103204b02c
1474698c891
15433586a7b
hex283e1a21f

10802536991 has 2 divisors, whose sum is σ = 10802536992. Its totient is φ = 10802536990.

The previous prime is 10802536939. The next prime is 10802536993. The reversal of 10802536991 is 19963520801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10802536991 is a prime.

Together with 10802536993, 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 (10802536993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5401268495 + 5401268496.

It is an arithmetic number, because the mean of its divisors is an integer number (5401268496).

Almost surely, 210802536991 is an apocalyptic number.

10802536991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10802536991 is an equidigital number, since it uses as much as digits as its factorization.

10802536991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 10802536991 in words is "ten billion, eight hundred two million, five hundred thirty-six thousand, nine hundred ninety-one".