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3149679687 = 371113634977
BaseRepresentation
bin1011101110111100…
…0100110001000111
322010111200022021020
42323233010301013
522422304222222
61240312322223
7141023556420
oct27357046107
98114608236
103149679687
111376a03a70
1273a9a3373
133b27006bb
1421c44a647
151367ad65c
hexbbbc4c47

3149679687 has 16 divisors (see below), whose sum is σ = 5235831552. Its totient is φ = 1636197120.

The previous prime is 3149679683. The next prime is 3149679727. The reversal of 3149679687 is 7869769413.

It is not a de Polignac number, because 3149679687 - 22 = 3149679683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3149679687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149679683) 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, 6817258 + ... + 6817719.

It is an arithmetic number, because the mean of its divisors is an integer number (327239472).

Almost surely, 23149679687 is an apocalyptic number.

3149679687 is a deficient number, since it is larger than the sum of its proper divisors (2086151865).

3149679687 is a wasteful number, since it uses less digits than its factorization.

3149679687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13634998.

The product of its digits is 13716864, while the sum is 60.

The square root of 3149679687 is about 56122.0071540568. The cubic root of 3149679687 is about 1465.8475197937.

The spelling of 3149679687 in words is "three billion, one hundred forty-nine million, six hundred seventy-nine thousand, six hundred eighty-seven".

Divisors: 1 3 7 11 21 33 77 231 13634977 40904931 95444839 149984747 286334517 449954241 1049893229 3149679687