Base | Representation |
---|---|
bin | 10111011110110100… |
… | …011110000011010101 |
3 | 2102002010221212100020 |
4 | 113132310132003111 |
5 | 403114030224023 |
6 | 15325512535353 |
7 | 1551543044265 |
oct | 273664360325 |
9 | 72063855306 |
10 | 25213133013 |
11 | a76917a012 |
12 | 4a779b1559 |
13 | 24ba73b423 |
14 | 13127c77a5 |
15 | 9c8772de3 |
hex | 5ded1e0d5 |
25213133013 has 16 divisors (see below), whose sum is σ = 33697238976. Its totient is φ = 16768926720.
The previous prime is 25213133003. The next prime is 25213133027. The reversal of 25213133013 is 31033131252.
It is not a de Polignac number, because 25213133013 - 28 = 25213132757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25213133003) 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, 4514883 + ... + 4520463.
It is an arithmetic number, because the mean of its divisors is an integer number (2106077436).
Almost surely, 225213133013 is an apocalyptic number.
It is an amenable number.
25213133013 is a deficient number, since it is larger than the sum of its proper divisors (8484105963).
25213133013 is a wasteful number, since it uses less digits than its factorization.
25213133013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8884.
The product of its (nonzero) digits is 1620, while the sum is 24.
Adding to 25213133013 its reverse (31033131252), we get a palindrome (56246264265).
The spelling of 25213133013 in words is "twenty-five billion, two hundred thirteen million, one hundred thirty-three thousand, thirteen".
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