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12853499748431 is a prime number
BaseRepresentation
bin1011101100001011000001…
…0010010110000001001111
31200111210010111102122201012
42323002300102112001033
53141042431413422211
643200452151435435
72464430464121336
oct273026022260117
950453114378635
1012853499748431
114106158577421
121537117085b7b
137231064b7c24
143261813a8d1d
15174537e64d8b
hexbb0b049604f

12853499748431 has 2 divisors, whose sum is σ = 12853499748432. Its totient is φ = 12853499748430.

The previous prime is 12853499748317. The next prime is 12853499748461. The reversal of 12853499748431 is 13484799435821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12853499748431 - 218 = 12853499486287 is a prime.

It is a super-2 number, since 2×128534997484312 (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12853499748461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6426749874215 + 6426749874216.

It is an arithmetic number, because the mean of its divisors is an integer number (6426749874216).

Almost surely, 212853499748431 is an apocalyptic number.

12853499748431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12853499748431 is an equidigital number, since it uses as much as digits as its factorization.

12853499748431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209018880, while the sum is 68.

The spelling of 12853499748431 in words is "twelve trillion, eight hundred fifty-three billion, four hundred ninety-nine million, seven hundred forty-eight thousand, four hundred thirty-one".