Base | Representation |
---|---|
bin | 1001010101010011… |
… | …0010100101110101 |
3 | 20110121002011011210 |
4 | 2111110302211311 |
5 | 20112321132120 |
6 | 1052332152033 |
7 | 116040214161 |
oct | 22524624565 |
9 | 6417064153 |
10 | 2505255285 |
11 | 1076173415 |
12 | 59b008619 |
13 | 30c04c4a0 |
14 | 19aa1bca1 |
15 | e9e17ce0 |
hex | 95532975 |
2505255285 has 32 divisors (see below), whose sum is σ = 4320529920. Its totient is φ = 1232275968.
The previous prime is 2505255283. The next prime is 2505255329. The reversal of 2505255285 is 5825525052.
2505255285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2505255285 - 21 = 2505255283 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2505255281) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246372 + ... + 256338.
It is an arithmetic number, because the mean of its divisors is an integer number (135016560).
Almost surely, 22505255285 is an apocalyptic number.
It is an amenable number.
2505255285 is a deficient number, since it is larger than the sum of its proper divisors (1815274635).
2505255285 is a wasteful number, since it uses less digits than its factorization.
2505255285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11277.
The product of its (nonzero) digits is 200000, while the sum is 39.
The square root of 2505255285 is about 50052.5252609696. The cubic root of 2505255285 is about 1358.1591452483.
The spelling of 2505255285 in words is "two billion, five hundred five million, two hundred fifty-five thousand, two hundred eighty-five".
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