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5112115779 = 315749921751
BaseRepresentation
bin1001100001011010…
…01011001001000011
3111012021100101111110
410300231023021003
540432200201104
62203134214403
7240453160431
oct46055131103
914167311443
105112115779
112193724281
12ba8054403
13636154ca4
14366d27d51
151edc00e89
hex130b4b243

5112115779 has 16 divisors (see below), whose sum is σ = 6873632000. Its totient is φ = 3379428000.

The previous prime is 5112115777. The next prime is 5112115837. The reversal of 5112115779 is 9775112115.

It is not a de Polignac number, because 5112115779 - 21 = 5112115777 is a prime.

It is a super-2 number, since 2×51121157792 = 52267455475801553682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5112115777) 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, 224154 + ... + 245904.

It is an arithmetic number, because the mean of its divisors is an integer number (429602000).

Almost surely, 25112115779 is an apocalyptic number.

5112115779 is a deficient number, since it is larger than the sum of its proper divisors (1761516221).

5112115779 is a wasteful number, since it uses less digits than its factorization.

5112115779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22410.

The product of its digits is 22050, while the sum is 39.

The square root of 5112115779 is about 71499.0613854476. The cubic root of 5112115779 is about 1722.6626079863.

The spelling of 5112115779 in words is "five billion, one hundred twelve million, one hundred fifteen thousand, seven hundred seventy-nine".

Divisors: 1 3 157 471 499 1497 21751 65253 78343 235029 3414907 10244721 10853749 32561247 1704038593 5112115779