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13918851113 is a prime number
BaseRepresentation
bin11001111011010000…
…01101000000101001
31022221000202220020012
430331220031000221
5212001211213423
610221053141305
71001631165566
oct147550150051
938830686205
1013918851113
1159a2912942
12284548a835
13140a86889b
149607d186d
15566e54078
hex33da0d029

13918851113 has 2 divisors, whose sum is σ = 13918851114. Its totient is φ = 13918851112.

The previous prime is 13918851103. The next prime is 13918851119. The reversal of 13918851113 is 31115881931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902006569 + 1016844544 = 113587^2 + 31888^2 .

It is a cyclic number.

It is not a de Polignac number, because 13918851113 - 212 = 13918847017 is a prime.

It is a super-2 number, since 2×139188511132 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13918851119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959425556 + 6959425557.

It is an arithmetic number, because the mean of its divisors is an integer number (6959425557).

Almost surely, 213918851113 is an apocalyptic number.

It is an amenable number.

13918851113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13918851113 is an equidigital number, since it uses as much as digits as its factorization.

13918851113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 41.

The spelling of 13918851113 in words is "thirteen billion, nine hundred eighteen million, eight hundred fifty-one thousand, one hundred thirteen".