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79110131412131 = 113659369602867
BaseRepresentation
bin10001111111001101000011…
…010001111110110010100011
3101101002212002002010000001222
4101333031003101332302203
540332120022120142011
6440130405340245255
722443342542663441
oct2177150321766243
9341085062100058
1079110131412131
1123230466870226
128a580a6b4082b
13351b090384a41
141576d44d7bb91
15922c81ac6ddb
hex47f34347eca3

79110131412131 has 4 divisors (see below), whose sum is σ = 79110202151592. Its totient is φ = 79110060672672.

The previous prime is 79110131412073. The next prime is 79110131412197. The reversal of 79110131412131 is 13121413101197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79110131412131 - 238 = 78835253505187 is a prime.

It is a super-2 number, since 2×791101314121312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79110131412091 and 79110131412100.

It is not an unprimeable number, because it can be changed into a prime (79110131412331) 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, 33664841 + ... + 35938026.

It is an arithmetic number, because the mean of its divisors is an integer number (19777550537898).

Almost surely, 279110131412131 is an apocalyptic number.

79110131412131 is a deficient number, since it is larger than the sum of its proper divisors (70739461).

79110131412131 is a wasteful number, since it uses less digits than its factorization.

79110131412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70739460.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 79110131412131 in words is "seventy-nine trillion, one hundred ten billion, one hundred thirty-one million, four hundred twelve thousand, one hundred thirty-one".

Divisors: 1 1136593 69602867 79110131412131