Base | Representation |
---|---|
bin | 1001010100001101… |
… | …0010111000110100 |
3 | 20110021110010221122 |
4 | 2111003102320310 |
5 | 20110132401410 |
6 | 1052050003112 |
7 | 115653223055 |
oct | 22503227064 |
9 | 6407403848 |
10 | 2500668980 |
11 | 1073620687 |
12 | 599576498 |
13 | 30b104ab4 |
14 | 19a18672c |
15 | e980de55 |
hex | 950d2e34 |
2500668980 has 24 divisors (see below), whose sum is σ = 5340414240. Its totient is φ = 983313440.
The previous prime is 2500668979. The next prime is 2500668991. The reversal of 2500668980 is 898660052.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058426 + ... + 1060785.
It is an arithmetic number, because the mean of its divisors is an integer number (222517260).
Almost surely, 22500668980 is an apocalyptic number.
2500668980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2500668980 is an abundant number, since it is smaller than the sum of its proper divisors (2839745260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2500668980 is a wasteful number, since it uses less digits than its factorization.
2500668980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2119279 (or 2119277 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 44.
The square root of 2500668980 is about 50006.6893525256. The cubic root of 2500668980 is about 1357.3298569074.
The spelling of 2500668980 in words is "two billion, five hundred million, six hundred sixty-eight thousand, nine hundred eighty".
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