Base | Representation |
---|---|
bin | 10010101011100110000… |
… | …11101000011010110101 |
3 | 2021100210202022210200212 |
4 | 21111303003220122311 |
5 | 41004032344141213 |
6 | 1210513101515205 |
7 | 64242252610250 |
oct | 11256303503265 |
9 | 2240722283625 |
10 | 641880458933 |
11 | 22824687022a |
12 | a4498572b05 |
13 | 486b549105c |
14 | 230d24b0097 |
15 | 11a6b9a29a8 |
hex | 95730e86b5 |
641880458933 has 16 divisors (see below), whose sum is σ = 734115479424. Its totient is φ = 549780073920.
The previous prime is 641880458917. The next prime is 641880458953. The reversal of 641880458933 is 339854088146.
641880458933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 641880458933 - 24 = 641880458917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (641880458903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73970591 + ... + 73979267.
It is an arithmetic number, because the mean of its divisors is an integer number (45882217464).
Almost surely, 2641880458933 is an apocalyptic number.
It is an amenable number.
641880458933 is a deficient number, since it is larger than the sum of its proper divisors (92235020491).
641880458933 is a wasteful number, since it uses less digits than its factorization.
641880458933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15212.
The product of its (nonzero) digits is 19906560, while the sum is 59.
The spelling of 641880458933 in words is "six hundred forty-one billion, eight hundred eighty million, four hundred fifty-eight thousand, nine hundred thirty-three".
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