Base | Representation |
---|---|
bin | 1001111111000111… |
… | …0111101110000001 |
3 | 20220211010011100111 |
4 | 2133301313232001 |
5 | 20442221310000 |
6 | 1121555351321 |
7 | 123300103642 |
oct | 23761675601 |
9 | 6824104314 |
10 | 2680650625 |
11 | 1156180544 |
12 | 6298b2541 |
13 | 3394a0503 |
14 | 1b60376c9 |
15 | 10a511cba |
hex | 9fc77b81 |
2680650625 has 45 divisors (see below), whose sum is σ = 3568053951. Its totient is φ = 2013012000.
The previous prime is 2680650613. The next prime is 2680650671. The reversal of 2680650625 is 5260560862.
It is a happy number.
The square root of 2680650625 is 51775.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 1557328369 + 1123322256 = 39463^2 + 33516^2 .
It is a de Polignac number, because none of the positive numbers 2k-2680650625 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 24593071 + ... + 24593179.
Almost surely, 22680650625 is an apocalyptic number.
2680650625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2680650625 is the 51775-th square number.
2680650625 is the 25888-th centered octagonal number.
It is an amenable number.
2680650625 is a deficient number, since it is larger than the sum of its proper divisors (887403326).
2680650625 is an frugal number, since it uses more digits than its factorization.
2680650625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276 (or 133 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 40.
The cubic root of 2680650625 is about 1389.1423076839.
The spelling of 2680650625 in words is "two billion, six hundred eighty million, six hundred fifty thousand, six hundred twenty-five".
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