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29139481562 = 2591391776581
BaseRepresentation
bin11011001000110110…
…010011001111011010
32210012210002000222212
4123020312103033122
5434134201402222
621215252115122
72051050335512
oct331066231732
983183060885
1029139481562
11113a3528874
125792905aa2
1329950132a9
1415a6048842
15b582ea6e2
hex6c8d933da

29139481562 has 16 divisors (see below), whose sum is σ = 44769866400. Its totient is φ = 14219746320.

The previous prime is 29139481531. The next prime is 29139481603. The reversal of 29139481562 is 26518493192.

It is a self number, because there is not a number n which added to its sum of digits gives 29139481562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871889 + ... + 904692.

It is an arithmetic number, because the mean of its divisors is an integer number (2798116650).

Almost surely, 229139481562 is an apocalyptic number.

29139481562 is a deficient number, since it is larger than the sum of its proper divisors (15630384838).

29139481562 is a wasteful number, since it uses less digits than its factorization.

29139481562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776781.

The product of its digits is 933120, while the sum is 50.

The spelling of 29139481562 in words is "twenty-nine billion, one hundred thirty-nine million, four hundred eighty-one thousand, five hundred sixty-two".

Divisors: 1 2 59 118 139 278 8201 16402 1776581 3553162 104818279 209636558 246944759 493889518 14569740781 29139481562