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29802305238 = 2343537130697
BaseRepresentation
bin11011110000010110…
…110001011011010110
32211220222021222010220
4123300112301123112
5442013342231423
621405130455210
72103346262166
oct336026613326
984828258126
1029802305238
1111703696032
125938894506
132a6c437154
14162a0a65a6
15b965c79e3
hex6f05b16d6

29802305238 has 64 divisors (see below), whose sum is σ = 63018819072. Its totient is φ = 9385608960.

The previous prime is 29802305231. The next prime is 29802305249. The reversal of 29802305238 is 83250320892.

It is a self number, because there is not a number n which added to its sum of digits gives 29802305238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29802305231) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 955506 + ... + 986202.

It is an arithmetic number, because the mean of its divisors is an integer number (984669048).

Almost surely, 229802305238 is an apocalyptic number.

29802305238 is an abundant number, since it is smaller than the sum of its proper divisors (33216513834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29802305238 is a wasteful number, since it uses less digits than its factorization.

29802305238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30869.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 29802305238 in words is "twenty-nine billion, eight hundred two million, three hundred five thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 43 53 71 86 106 129 142 159 213 258 318 426 2279 3053 3763 4558 6106 6837 7526 9159 11289 13674 18318 22578 30697 61394 92091 161809 184182 323618 485427 970854 1319971 1626941 2179487 2639942 3253882 3959913 4358974 4880823 6538461 7919826 9761646 13076922 69958463 93717941 115512811 139916926 187435882 209875389 231025622 281153823 346538433 419750778 562307646 693076866 4967050873 9934101746 14901152619 29802305238