Base | Representation |
---|---|
bin | 11011111001001111… |
… | …101001001001011000 |
3 | 2212022100220100120202 |
4 | 123321033221021120 |
5 | 442320031300011 |
6 | 21432015041332 |
7 | 2110136652005 |
oct | 337117511130 |
9 | 85270810522 |
10 | 29951431256 |
11 | 1177a89067a |
12 | 597a810248 |
13 | 2a942bb2b6 |
14 | 1641c048ac |
15 | ba473323b |
hex | 6f93e9258 |
29951431256 has 16 divisors (see below), whose sum is σ = 56503469400. Its totient is φ = 14883839424.
The previous prime is 29951431201. The next prime is 29951431277. The reversal of 29951431256 is 65213415992.
It is a self number, because there is not a number n which added to its sum of digits gives 29951431256.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 11483141 + ... + 11485748.
Almost surely, 229951431256 is an apocalyptic number.
It is an amenable number.
29951431256 is a deficient number, since it is larger than the sum of its proper divisors (26552038144).
29951431256 is a wasteful number, since it uses less digits than its factorization.
29951431256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22969058 (or 22969054 counting only the distinct ones).
The product of its digits is 583200, while the sum is 47.
The spelling of 29951431256 in words is "twenty-nine billion, nine hundred fifty-one million, four hundred thirty-one thousand, two hundred fifty-six".
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