Base | Representation |
---|---|
bin | 1001100011111100… |
… | …0010110100100101 |
3 | 20121212122000100200 |
4 | 2120333002310211 |
5 | 20224031212321 |
6 | 1102404301113 |
7 | 120414164565 |
oct | 23077026445 |
9 | 6555560320 |
10 | 2566663461 |
11 | 10a78a627a |
12 | 5b76a1799 |
13 | 31b9a039b |
14 | 1a4c44da5 |
15 | 1004e7d26 |
hex | 98fc2d25 |
2566663461 has 12 divisors (see below), whose sum is σ = 3710904288. Its totient is φ = 1709492904.
The previous prime is 2566663453. The next prime is 2566663483. The reversal of 2566663461 is 1643666652.
2566663461 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2566663461 - 23 = 2566663453 is a prime.
It is a super-2 number, since 2×25666634612 = 13175522644064997042, which contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2566663361) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124575 + ... + 143708.
It is an arithmetic number, because the mean of its divisors is an integer number (309242024).
Almost surely, 22566663461 is an apocalyptic number.
It is an amenable number.
2566663461 is a deficient number, since it is larger than the sum of its proper divisors (1144240827).
2566663461 is a wasteful number, since it uses less digits than its factorization.
2566663461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269352 (or 269349 counting only the distinct ones).
The product of its digits is 933120, while the sum is 45.
The square root of 2566663461 is about 50662.2488742851. The cubic root of 2566663461 is about 1369.1666413125.
The spelling of 2566663461 in words is "two billion, five hundred sixty-six million, six hundred sixty-three thousand, four hundred sixty-one".
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