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13810195457 is a prime number
BaseRepresentation
bin11001101110010011…
…01101110000000001
31022122110022121200122
430313021231300001
5211240402223312
610202212230025
7666141503342
oct146711556001
938573277618
1013810195457
11594754a283
12281500b315
1313c11b43b6
149501ca0c9
1555c63eb72
hex33726dc01

13810195457 has 2 divisors, whose sum is σ = 13810195458. Its totient is φ = 13810195456.

The previous prime is 13810195423. The next prime is 13810195459. The reversal of 13810195457 is 75459101831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8556990016 + 5253205441 = 92504^2 + 72479^2 .

It is a cyclic number.

It is not a de Polignac number, because 13810195457 - 212 = 13810191361 is a prime.

Together with 13810195459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13810195459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6905097728 + 6905097729.

It is an arithmetic number, because the mean of its divisors is an integer number (6905097729).

Almost surely, 213810195457 is an apocalyptic number.

It is an amenable number.

13810195457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13810195457 is an equidigital number, since it uses as much as digits as its factorization.

13810195457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 13810195457 in words is "thirteen billion, eight hundred ten million, one hundred ninety-five thousand, four hundred fifty-seven".