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29278110057 = 371534990833
BaseRepresentation
bin11011010001000111…
…001000000101101001
32210120102221002112120
4123101013020011221
5434430144010212
621241123301453
72054352554310
oct332107100551
983512832476
1029278110057
1111464803479
12581121a889
1329b79602a1
1415ba613277
15b6558088c
hex6d11c8169

29278110057 has 16 divisors (see below), whose sum is σ = 44617660800. Its totient is φ = 16729074432.

The previous prime is 29278110049. The next prime is 29278110137. The reversal of 29278110057 is 75001187292.

It is not a de Polignac number, because 29278110057 - 23 = 29278110049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29278110007) 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, 276913 + ... + 367745.

It is an arithmetic number, because the mean of its divisors is an integer number (2788603800).

Almost surely, 229278110057 is an apocalyptic number.

It is an amenable number.

29278110057 is a deficient number, since it is larger than the sum of its proper divisors (15339550743).

29278110057 is a wasteful number, since it uses less digits than its factorization.

29278110057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106192.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 29278110057 in words is "twenty-nine billion, two hundred seventy-eight million, one hundred ten thousand, fifty-seven".

Divisors: 1 3 7 21 15349 46047 90833 107443 272499 322329 635831 1907493 1394195717 4182587151 9759370019 29278110057