Base | Representation |
---|---|
bin | 11000010011011011… |
… | …10100001001001101 |
3 | 1020200022221100100212 |
4 | 30021231310021031 |
5 | 203210231010033 |
6 | 5554421532205 |
7 | 641224243610 |
oct | 141155641115 |
9 | 36608840325 |
10 | 13047906893 |
11 | 559622662a |
12 | 2641874065 |
13 | 12cc2a6488 |
14 | 8bac7a177 |
15 | 515766748 |
hex | 309b7424d |
13047906893 has 32 divisors (see below), whose sum is σ = 15480342528. Its totient is φ = 10767556800.
The previous prime is 13047906797. The next prime is 13047906931. The reversal of 13047906893 is 39860974031.
It is not a de Polignac number, because 13047906893 - 210 = 13047905869 is a prime.
It is a super-3 number, since 3×130479068933 (a number of 31 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13047909893) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4776338 + ... + 4779068.
It is an arithmetic number, because the mean of its divisors is an integer number (483760704).
Almost surely, 213047906893 is an apocalyptic number.
It is an amenable number.
13047906893 is a deficient number, since it is larger than the sum of its proper divisors (2432435635).
13047906893 is a wasteful number, since it uses less digits than its factorization.
13047906893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3033.
The product of its (nonzero) digits is 979776, while the sum is 50.
The spelling of 13047906893 in words is "thirteen billion, forty-seven million, nine hundred six thousand, eight hundred ninety-three".
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