Base | Representation |
---|---|
bin | 1001010101011011… |
… | …1001100011010110 |
3 | 20110122010020110220 |
4 | 2111112321203112 |
5 | 20112441324321 |
6 | 1052352055210 |
7 | 116045005635 |
oct | 22526714326 |
9 | 6418106426 |
10 | 2505808086 |
11 | 1076510781 |
12 | 59b234506 |
13 | 30c1b3ca2 |
14 | 19ab2351c |
15 | e9ec69c6 |
hex | 955b98d6 |
2505808086 has 32 divisors (see below), whose sum is σ = 5075820288. Its totient is φ = 824634720.
The previous prime is 2505808079. The next prime is 2505808087. The reversal of 2505808086 is 6808085052.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2505808087) 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 15 ways as a sum of consecutive naturals, for example, 146751 + ... + 162933.
It is an arithmetic number, because the mean of its divisors is an integer number (158619384).
Almost surely, 22505808086 is an apocalyptic number.
2505808086 is an abundant number, since it is smaller than the sum of its proper divisors (2570012202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2505808086 is a wasteful number, since it uses less digits than its factorization.
2505808086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16516.
The product of its (nonzero) digits is 153600, while the sum is 42.
The square root of 2505808086 is about 50058.0471652660. The cubic root of 2505808086 is about 1358.2590334742.
The spelling of 2505808086 in words is "two billion, five hundred five million, eight hundred eight thousand, eighty-six".
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