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102627881 is a prime number
BaseRepresentation
bin1100001110111…
…11101000101001
321011010000222122
412013133220221
5202233043011
614103401025
72354215436
oct607375051
9234100878
10102627881
1152a26934
122a453175
1318353975
14d8b6b8d
1590233db
hex61dfa29

102627881 has 2 divisors, whose sum is σ = 102627882. Its totient is φ = 102627880.

The previous prime is 102627871. The next prime is 102627883. The reversal of 102627881 is 188726201.

102627881 is nontrivially palindromic in base 14.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61089856 + 41538025 = 7816^2 + 6445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102627881 is a prime.

It is a super-2 number, since 2×1026278812 = 21064963917100322, which contains 22 as substring.

Together with 102627883, 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 (102627883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51313940 + 51313941.

It is an arithmetic number, because the mean of its divisors is an integer number (51313941).

Almost surely, 2102627881 is an apocalyptic number.

It is an amenable number.

102627881 is a deficient number, since it is larger than the sum of its proper divisors (1).

102627881 is an equidigital number, since it uses as much as digits as its factorization.

102627881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 102627881 is about 10130.5419894495. The cubic root of 102627881 is about 468.1896268714.

The spelling of 102627881 in words is "one hundred two million, six hundred twenty-seven thousand, eight hundred eighty-one".