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10138765913 is a prime number
BaseRepresentation
bin10010111000101000…
…10100101001011001
3222011120212200011122
421130110110221121
5131231011002123
64354020535025
7506151042203
oct113424245131
928146780148
1010138765913
114333083991
121b6b551475
13c57684b93
146c2765773
153e516dbc8
hex25c514a59

10138765913 has 2 divisors, whose sum is σ = 10138765914. Its totient is φ = 10138765912.

The previous prime is 10138765873. The next prime is 10138765957. The reversal of 10138765913 is 31956783101.

It is an a-pointer prime, because the next prime (10138765957) can be obtained adding 10138765913 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5915455744 + 4223310169 = 76912^2 + 64987^2 .

It is a cyclic number.

It is not a de Polignac number, because 10138765913 - 28 = 10138765657 is a prime.

It is a super-2 number, since 2×101387659132 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10138765993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069382956 + 5069382957.

It is an arithmetic number, because the mean of its divisors is an integer number (5069382957).

Almost surely, 210138765913 is an apocalyptic number.

It is an amenable number.

10138765913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138765913 is an equidigital number, since it uses as much as digits as its factorization.

10138765913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 10138765913 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, nine hundred thirteen".