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13142057 is a prime number
BaseRepresentation
bin110010001000…
…100000101001
3220201200111212
4302020200221
511331021212
61145402505
7216464015
oct62104051
926650455
1013142057
117466905
124499435
132951a86
141a61545
151248e22
hexc88829

13142057 has 2 divisors, whose sum is σ = 13142058. Its totient is φ = 13142056.

The previous prime is 13142027. The next prime is 13142069. The reversal of 13142057 is 75024131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 1142761 = 3464^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 13142057 - 28 = 13141801 is a prime.

It is not a weakly prime, because it can be changed into another prime (13142027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571028 + 6571029.

It is an arithmetic number, because the mean of its divisors is an integer number (6571029).

Almost surely, 213142057 is an apocalyptic number.

It is an amenable number.

13142057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13142057 is an equidigital number, since it uses as much as digits as its factorization.

13142057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13142057 is about 3625.1975118606. The cubic root of 13142057 is about 235.9868385363.

Adding to 13142057 its reverse (75024131), we get a palindrome (88166188).

The spelling of 13142057 in words is "thirteen million, one hundred forty-two thousand, fifty-seven".