Base | Representation |
---|---|
bin | 11011111011010110… |
… | …100110010000001001 |
3 | 2212101211110201111200 |
4 | 123323112212100021 |
5 | 442403110340331 |
6 | 21435321214413 |
7 | 2111046445443 |
oct | 337326462011 |
9 | 85354421450 |
10 | 29986808841 |
11 | 11798854350 |
12 | 598a631409 |
13 | 2a9b726b92 |
14 | 16467b3493 |
15 | ba78c05e6 |
hex | 6fb5a6409 |
29986808841 has 24 divisors (see below), whose sum is σ = 48529026624. Its totient is φ = 17682636960.
The previous prime is 29986808833. The next prime is 29986808879. The reversal of 29986808841 is 14880868992.
It is not a de Polignac number, because 29986808841 - 23 = 29986808833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (29986808041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4089541 + ... + 4096866.
It is an arithmetic number, because the mean of its divisors is an integer number (2022042776).
Almost surely, 229986808841 is an apocalyptic number.
It is an amenable number.
29986808841 is a deficient number, since it is larger than the sum of its proper divisors (18542217783).
29986808841 is a wasteful number, since it uses less digits than its factorization.
29986808841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8186461 (or 8186458 counting only the distinct ones).
The product of its (nonzero) digits is 15925248, while the sum is 63.
The spelling of 29986808841 in words is "twenty-nine billion, nine hundred eighty-six million, eight hundred eight thousand, eight hundred forty-one".
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