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79111202102011 = 85875979212263
BaseRepresentation
bin10001111111001110000011…
…000110010101101011111011
3101101002221211200210200110201
4101333032003012111223323
540332124220214231021
6440131103505023031
722443411223463332
oct2177160306255373
9341087750720421
1079111202102011
11232309661863a2
128a58345624a77
13351b201142751
14157700724ad19
15922ce5abd591
hex47f383195afb

79111202102011 has 4 divisors (see below), whose sum is σ = 79111219901872. Its totient is φ = 79111184302152.

The previous prime is 79111202101993. The next prime is 79111202102071. The reversal of 79111202102011 is 11020120211197.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 79111202102011 - 25 = 79111202101979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79111202102071) 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, 3981466 + ... + 13193728.

It is an arithmetic number, because the mean of its divisors is an integer number (19777804975468).

Almost surely, 279111202102011 is an apocalyptic number.

79111202102011 is a deficient number, since it is larger than the sum of its proper divisors (17799861).

79111202102011 is an equidigital number, since it uses as much as digits as its factorization.

79111202102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17799860.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 79111202102011 in words is "seventy-nine trillion, one hundred eleven billion, two hundred two million, one hundred two thousand, eleven".

Divisors: 1 8587597 9212263 79111202102011