Base | Representation |
---|---|
bin | 1001100010100101… |
… | …0100111101000001 |
3 | 20121110220210011112 |
4 | 2120221110331001 |
5 | 20221102024221 |
6 | 1102042253105 |
7 | 120314614322 |
oct | 23051247501 |
9 | 6543823145 |
10 | 2560970561 |
11 | 10a46680a6 |
12 | 5b57b7195 |
13 | 31a7590c6 |
14 | 1a41a2449 |
15 | eec7115b |
hex | 98a54f41 |
2560970561 has 8 divisors (see below), whose sum is σ = 2594047680. Its totient is φ = 2527946512.
The previous prime is 2560970557. The next prime is 2560970567. The reversal of 2560970561 is 1650790652.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2560970561 - 22 = 2560970557 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2560970567) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88895 + ... + 114123.
It is an arithmetic number, because the mean of its divisors is an integer number (324255960).
Almost surely, 22560970561 is an apocalyptic number.
It is an amenable number.
2560970561 is a deficient number, since it is larger than the sum of its proper divisors (33077119).
2560970561 is a wasteful number, since it uses less digits than its factorization.
2560970561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26535.
The product of its (nonzero) digits is 113400, while the sum is 41.
The square root of 2560970561 is about 50606.0328518251. The cubic root of 2560970561 is about 1368.1536142447.
The spelling of 2560970561 in words is "two billion, five hundred sixty million, nine hundred seventy thousand, five hundred sixty-one".
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