Base | Representation |
---|---|
bin | 1111000101110110… |
… | …01110111000010000 |
3 | 202220122121122020220 |
4 | 13202323032320100 |
5 | 113043122124202 |
6 | 3415545033040 |
7 | 404531046414 |
oct | 74273167020 |
9 | 22818548226 |
10 | 8102145552 |
11 | 34884a4966 |
12 | 16a1485780 |
13 | 9c1758387 |
14 | 56c096d44 |
15 | 326475abc |
hex | 1e2ecee10 |
8102145552 has 20 divisors (see below), whose sum is σ = 20930542800. Its totient is φ = 2700715168.
The previous prime is 8102145551. The next prime is 8102145589. The reversal of 8102145552 is 2555412018.
It is not an unprimeable number, because it can be changed into a prime (8102145551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84397302 + ... + 84397397.
It is an arithmetic number, because the mean of its divisors is an integer number (1046527140).
Almost surely, 28102145552 is an apocalyptic number.
It is an amenable number.
8102145552 is an abundant number, since it is smaller than the sum of its proper divisors (12828397248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8102145552 is a wasteful number, since it uses less digits than its factorization.
8102145552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168794710 (or 168794704 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 33.
The square root of 8102145552 is about 90011.9189441043. The cubic root of 8102145552 is about 2008.4761559757.
The spelling of 8102145552 in words is "eight billion, one hundred two million, one hundred forty-five thousand, five hundred fifty-two".
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