Base | Representation |
---|---|
bin | 111011010101100101100… |
… | …1100101100010110110000 |
3 | 1001212122010212212201021001 |
4 | 1312223023030230112300 |
5 | 2032103431244430224 |
6 | 25202250125011344 |
7 | 1501124604666604 |
oct | 166531314542660 |
9 | 31778125781231 |
10 | 8155257030064 |
11 | 2664696a93931 |
12 | ab86630b3b54 |
13 | 4720643366a1 |
14 | 202a062bb504 |
15 | e220c31d544 |
hex | 76acb32c5b0 |
8155257030064 has 20 divisors (see below), whose sum is σ = 15804740192800. Its totient is φ = 4076614399680.
The previous prime is 8155257030059. The next prime is 8155257030101. The reversal of 8155257030064 is 4600307525518.
It is a junction number, because it is equal to n+sod(n) for n = 8155257029996 and 8155257030023.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63315864 + ... + 63444535.
It is an arithmetic number, because the mean of its divisors is an integer number (790237009640).
Almost surely, 28155257030064 is an apocalyptic number.
It is an amenable number.
8155257030064 is a deficient number, since it is larger than the sum of its proper divisors (7649483162736).
8155257030064 is a wasteful number, since it uses less digits than its factorization.
8155257030064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126764428 (or 126764422 counting only the distinct ones).
The product of its (nonzero) digits is 1008000, while the sum is 46.
The spelling of 8155257030064 in words is "eight trillion, one hundred fifty-five billion, two hundred fifty-seven million, thirty thousand, sixty-four".
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