Base | Representation |
---|---|
bin | 1001010100001001… |
… | …0110010001001000 |
3 | 20110020222112100100 |
4 | 2111002112101020 |
5 | 20110101430210 |
6 | 1052040405400 |
7 | 115651140132 |
oct | 22502262110 |
9 | 6406875310 |
10 | 2500420680 |
11 | 107347107a |
12 | 599476860 |
13 | 30b048a84 |
14 | 19a120052 |
15 | e97b05c0 |
hex | 95096448 |
2500420680 has 96 divisors (see below), whose sum is σ = 8299324800. Its totient is φ = 652587648.
The previous prime is 2500420679. The next prime is 2500420739. The reversal of 2500420680 is 860240052.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56970 + ... + 90809.
It is an arithmetic number, because the mean of its divisors is an integer number (86451300).
Almost surely, 22500420680 is an apocalyptic number.
2500420680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2500420680 is an abundant number, since it is smaller than the sum of its proper divisors (5798904120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2500420680 is a wasteful number, since it uses less digits than its factorization.
2500420680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147843 (or 147836 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 2500420680 is about 50004.2066230432. The cubic root of 2500420680 is about 1357.2849307747.
The spelling of 2500420680 in words is "two billion, five hundred million, four hundred twenty thousand, six hundred eighty".
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