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13140254987 is a prime number
BaseRepresentation
bin11000011110011100…
…00110000100001011
31020220202201010010122
430033032012010023
5203402401124422
610011521133455
7643425216206
oct141716060413
936822633118
1013140254987
115633371072
12266878a28b
13131546b112
148c923893d
1551d908d42
hex30f38610b

13140254987 has 2 divisors, whose sum is σ = 13140254988. Its totient is φ = 13140254986.

The previous prime is 13140254969. The next prime is 13140255013. The reversal of 13140254987 is 78945204131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13140254987 - 220 = 13139206411 is a prime.

It is a super-2 number, since 2×131402549872 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13140254927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570127493 + 6570127494.

It is an arithmetic number, because the mean of its divisors is an integer number (6570127494).

Almost surely, 213140254987 is an apocalyptic number.

13140254987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140254987 is an equidigital number, since it uses as much as digits as its factorization.

13140254987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 13140254987 in words is "thirteen billion, one hundred forty million, two hundred fifty-four thousand, nine hundred eighty-seven".