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10879272979 = 69259157081
BaseRepresentation
bin10100010000111010…
…01000100000010011
31001002012021022220021
422020131020200103
5134240043213404
64555312324311
7533412203011
oct121035104023
931065238807
1010879272979
11468307a8a3
122137543697
131044c07843
14752c458b1
1543a193454
hex288748813

10879272979 has 4 divisors (see below), whose sum is σ = 10879499320. Its totient is φ = 10879046640.

The previous prime is 10879272913. The next prime is 10879272997. The reversal of 10879272979 is 97927297801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97927297801 = 151648525151.

It is a cyclic number.

It is not a de Polignac number, because 10879272979 - 217 = 10879141907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10879272379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9282 + ... + 147799.

It is an arithmetic number, because the mean of its divisors is an integer number (2719874830).

Almost surely, 210879272979 is an apocalyptic number.

10879272979 is a deficient number, since it is larger than the sum of its proper divisors (226341).

10879272979 is an equidigital number, since it uses as much as digits as its factorization.

10879272979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226340.

The product of its (nonzero) digits is 8001504, while the sum is 61.

The spelling of 10879272979 in words is "ten billion, eight hundred seventy-nine million, two hundred seventy-two thousand, nine hundred seventy-nine".

Divisors: 1 69259 157081 10879272979