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29838971328 = 263155411309
BaseRepresentation
bin11011110010100010…
…101001000111000000
32212000112021210120020
4123302202221013000
5442102234040303
621412520413440
72104303033335
oct336242510700
985015253506
1029838971328
1111722359891
125949017280
132a76c0436a
141630ccc98c
15b9991ba53
hex6f28a91c0

29838971328 has 28 divisors (see below), whose sum is σ = 78948945480. Its totient is φ = 9946323712.

The previous prime is 29838971321. The next prime is 29838971369. The reversal of 29838971328 is 82317983892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29838971321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77705463 + ... + 77705846.

Almost surely, 229838971328 is an apocalyptic number.

It is an amenable number.

29838971328 is an abundant number, since it is smaller than the sum of its proper divisors (49109974152).

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

29838971328 is a wasteful number, since it uses less digits than its factorization.

29838971328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155411324 (or 155411314 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The spelling of 29838971328 in words is "twenty-nine billion, eight hundred thirty-eight million, nine hundred seventy-one thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 155411309 310822618 466233927 621645236 932467854 1243290472 1864935708 2486580944 3729871416 4973161888 7459742832 9946323776 14919485664 29838971328