Search a number
-
+
79139793055 = 5411572458903
BaseRepresentation
bin100100110110100011…
…0010110100010011111
321120021101111000220111
41021231012112202133
52244034241334210
6100204544230451
75501105066431
oct1115506264237
9246241430814
1079139793055
1130621393954
121340790b427
137602b61a1b
143b8a81a651
1520d2c0288a
hex126d19689f

79139793055 has 16 divisors (see below), whose sum is σ = 97903721664. Its totient is φ = 61374193920.

The previous prime is 79139793011. The next prime is 79139793091. The reversal of 79139793055 is 55039793197.

It is not a de Polignac number, because 79139793055 - 213 = 79139784863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197267 + ... + 1261636.

It is an arithmetic number, because the mean of its divisors is an integer number (6118982604).

Almost surely, 279139793055 is an apocalyptic number.

79139793055 is a deficient number, since it is larger than the sum of its proper divisors (18763928609).

79139793055 is a wasteful number, since it uses less digits than its factorization.

79139793055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459106.

The product of its (nonzero) digits is 8037225, while the sum is 58.

The spelling of 79139793055 in words is "seventy-nine billion, one hundred thirty-nine million, seven hundred ninety-three thousand, fifty-five".

Divisors: 1 5 41 157 205 785 6437 32185 2458903 12294515 100815023 386047771 504075115 1930238855 15827958611 79139793055