Base | Representation |
---|---|
bin | 1001100011000100… |
… | …0101110011001001 |
3 | 20121121202011202212 |
4 | 2120301011303021 |
5 | 20222112140031 |
6 | 1102154034505 |
7 | 120341121440 |
oct | 23061056311 |
9 | 6547664685 |
10 | 2563005641 |
11 | 10a5828089 |
12 | 5b6418a35 |
13 | 31acbc4b1 |
14 | 1a4571d57 |
15 | 10002412b |
hex | 98c45cc9 |
2563005641 has 16 divisors (see below), whose sum is σ = 3026481408. Its totient is φ = 2125032000.
The previous prime is 2563005637. The next prime is 2563005649. The reversal of 2563005641 is 1465003652.
It is not a de Polignac number, because 2563005641 - 22 = 2563005637 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2563005598 and 2563005607.
It is not an unprimeable number, because it can be changed into a prime (2563005649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22310 + ... + 74991.
It is an arithmetic number, because the mean of its divisors is an integer number (189155088).
Almost surely, 22563005641 is an apocalyptic number.
It is an amenable number.
2563005641 is a deficient number, since it is larger than the sum of its proper divisors (463475767).
2563005641 is an equidigital number, since it uses as much as digits as its factorization.
2563005641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97432.
The product of its (nonzero) digits is 21600, while the sum is 32.
The square root of 2563005641 is about 50626.1359477494. The cubic root of 2563005641 is about 1368.5159202272.
The spelling of 2563005641 in words is "two billion, five hundred sixty-three million, five thousand, six hundred forty-one".
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