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13994083877 is a prime number
BaseRepresentation
bin11010000100001110…
…01100011000100101
31100010021100010011212
431002013030120211
5212124441141002
610232341441205
71003533515234
oct150207143045
940107303155
1013994083877
115a31328384
122866710205
13142031a107
1496a7b6b1b
1556d865352
hex3421cc625

13994083877 has 2 divisors, whose sum is σ = 13994083878. Its totient is φ = 13994083876.

The previous prime is 13994083849. The next prime is 13994083933. The reversal of 13994083877 is 77838049931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13014018241 + 980065636 = 114079^2 + 31306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13994083877 is a prime.

It is a super-2 number, since 2×139940838772 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13994082877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997041938 + 6997041939.

It is an arithmetic number, because the mean of its divisors is an integer number (6997041939).

Almost surely, 213994083877 is an apocalyptic number.

It is an amenable number.

13994083877 is a deficient number, since it is larger than the sum of its proper divisors (1).

13994083877 is an equidigital number, since it uses as much as digits as its factorization.

13994083877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 13994083877 in words is "thirteen billion, nine hundred ninety-four million, eighty-three thousand, eight hundred seventy-seven".