Search a number
-
+
79145472104 = 2311387550301
BaseRepresentation
bin100100110110101110…
…0000001000001101000
321120021210011120002122
41021231130001001220
52244042220101404
6100205310050412
75501204261426
oct1115534010150
9246253146078
1079145472104
1130624612686
12134097a9a08
13760409c8ca
143b8b498116
1520d34753be
hex126d701068

79145472104 has 16 divisors (see below), whose sum is σ = 149711016420. Its totient is φ = 39222534400.

The previous prime is 79145472083. The next prime is 79145472143. The reversal of 79145472104 is 40127454197.

It can be written as a sum of positive squares in 2 ways, for example, as 76561783204 + 2583688900 = 276698^2 + 50830^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43774247 + ... + 43776054.

Almost surely, 279145472104 is an apocalyptic number.

It is an amenable number.

79145472104 is a deficient number, since it is larger than the sum of its proper divisors (70565544316).

79145472104 is a wasteful number, since it uses less digits than its factorization.

79145472104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87550420 (or 87550416 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 79145472104 in words is "seventy-nine billion, one hundred forty-five million, four hundred seventy-two thousand, one hundred four".

Divisors: 1 2 4 8 113 226 452 904 87550301 175100602 350201204 700402408 9893184013 19786368026 39572736052 79145472104