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979112994130 = 25155416300193
BaseRepresentation
bin11100011111101111010…
…11101010010101010010
310110121021001211120221001
432033313223222111102
5112020210411303010
62025444233252214
7130511222063125
oct16176753522522
93417231746831
10979112994130
1134826a83a277
12139912b6406a
1371439bc6b7b
14355644283bc
151a707bd8c3a
hexe3f7aea552

979112994130 has 16 divisors (see below), whose sum is σ = 1762517072664. Its totient is φ = 391619934720.

The previous prime is 979112994103. The next prime is 979112994173. The reversal of 979112994130 is 31499211979.

It can be written as a sum of positive squares in 4 ways, for example, as 746093430289 + 233019563841 = 863767^2 + 482721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994687 + ... + 3305506.

Almost surely, 2979112994130 is an apocalyptic number.

979112994130 is a deficient number, since it is larger than the sum of its proper divisors (783404078534).

979112994130 is a wasteful number, since it uses less digits than its factorization.

979112994130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315741.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 979112994130 in words is "nine hundred seventy-nine billion, one hundred twelve million, nine hundred ninety-four thousand, one hundred thirty".

Divisors: 1 2 5 10 15541 31082 77705 155410 6300193 12600386 31500965 63001930 97911299413 195822598826 489556497065 979112994130