Base | Representation |
---|---|
bin | 10111011001110111… |
… | …011001111101110110 |
3 | 2101212100120010002200 |
4 | 113121313121331312 |
5 | 402431241013010 |
6 | 15313343245330 |
7 | 1546513421415 |
oct | 273167317566 |
9 | 71770503080 |
10 | 25130016630 |
11 | a72626a494 |
12 | 4a53ba9846 |
13 | 24a6459734 |
14 | 130574d47c |
15 | 9c1305cc0 |
hex | 5d9dd9f76 |
25130016630 has 48 divisors (see below), whose sum is σ = 65502715824. Its totient is φ = 6684448320.
The previous prime is 25130016623. The next prime is 25130016631. The reversal of 25130016630 is 3661003152.
25130016630 is a `hidden beast` number, since 2 + 5 + 13 + 0 + 0 + 16 + 630 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 25130016594 and 25130016603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25130016631) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315936 + ... + 387395.
It is an arithmetic number, because the mean of its divisors is an integer number (1364639913).
Almost surely, 225130016630 is an apocalyptic number.
25130016630 is an abundant number, since it is smaller than the sum of its proper divisors (40372699194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25130016630 is a wasteful number, since it uses less digits than its factorization.
25130016630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 703741 (or 703738 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
Adding to 25130016630 its reverse (3661003152), we get a palindrome (28791019782).
The spelling of 25130016630 in words is "twenty-five billion, one hundred thirty million, sixteen thousand, six hundred thirty".
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