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29786987164 = 2211676976981
BaseRepresentation
bin11011101111011100…
…010101101010011100
32211212220110201200211
4123233130111222130
5442000432042124
621403422302204
72103102133114
oct335734255234
984786421624
1029786987164
11116a5a83370
125933727964
132a69202abc
14162803a044
15b9509de94
hex6ef715a9c

29786987164 has 12 divisors (see below), whose sum is σ = 56866066488. Its totient is φ = 13539539600.

The previous prime is 29786987141. The next prime is 29786987207. The reversal of 29786987164 is 46178968792.

It is a self number, because there is not a number n which added to its sum of digits gives 29786987164.

It is a congruent number.

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, 338488447 + ... + 338488534.

It is an arithmetic number, because the mean of its divisors is an integer number (4738838874).

Almost surely, 229786987164 is an apocalyptic number.

It is an amenable number.

29786987164 is a deficient number, since it is larger than the sum of its proper divisors (27079079324).

29786987164 is a wasteful number, since it uses less digits than its factorization.

29786987164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676976996 (or 676976994 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 67.

The spelling of 29786987164 in words is "twenty-nine billion, seven hundred eighty-six million, nine hundred eighty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 676976981 1353953962 2707907924 7446746791 14893493582 29786987164