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10979155069 is a prime number
BaseRepresentation
bin10100011100110100…
…01001110001111101
31001100011012212100221
422032122021301331
5134441130430234
65013241221341
7536034164311
oct121632116175
931304185327
1010979155069
1147244a0783
122164a91851
13105c80977c
14762205b41
15443d22eb4
hex28e689c7d

10979155069 has 2 divisors, whose sum is σ = 10979155070. Its totient is φ = 10979155068.

The previous prime is 10979155027. The next prime is 10979155093. The reversal of 10979155069 is 96055197901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8292287844 + 2686867225 = 91062^2 + 51835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10979155069 is a prime.

It is a super-2 number, since 2×109791550692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10979155469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5489577534 + 5489577535.

It is an arithmetic number, because the mean of its divisors is an integer number (5489577535).

Almost surely, 210979155069 is an apocalyptic number.

It is an amenable number.

10979155069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10979155069 is an equidigital number, since it uses as much as digits as its factorization.

10979155069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 52.

The spelling of 10979155069 in words is "ten billion, nine hundred seventy-nine million, one hundred fifty-five thousand, sixty-nine".