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79508103100061 = 3725774311253503
BaseRepresentation
bin10010000100111111101100…
…001111011111011010011101
3101102111220022102001102222112
4102010333230033133122131
540410130043343200221
6441033303542523405
722514161625344256
oct2204775417373235
9342456272042875
1079508103100061
1123374219478759
128b01252a36565
13354977471510c
14158c2d99d5b2d
1592d2c53b915b
hex484fec3df69d

79508103100061 has 16 divisors (see below), whose sum is σ = 82085038792704. Its totient is φ = 76954507628544.

The previous prime is 79508103100051. The next prime is 79508103100109. The reversal of 79508103100061 is 16000130180597.

It is a cyclic number.

It is not a de Polignac number, because 79508103100061 - 214 = 79508103083677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79508103099991 and 79508103100018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79508103100051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438436 + ... + 12691938.

It is an arithmetic number, because the mean of its divisors is an integer number (5130314924544).

Almost surely, 279508103100061 is an apocalyptic number.

It is an amenable number.

79508103100061 is a deficient number, since it is larger than the sum of its proper divisors (2576935692643).

79508103100061 is a wasteful number, since it uses less digits than its factorization.

79508103100061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11254540.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 79508103100061 in words is "seventy-nine trillion, five hundred eight billion, one hundred three million, one hundred thousand, sixty-one".

Divisors: 1 37 257 743 9509 27491 190951 7065187 11253503 416379611 2892150271 8361352729 107009560027 309370050973 2148867651353 79508103100061