Base | Representation |
---|---|
bin | 10111011010110011… |
… | …111100000101111100 |
3 | 2101220110102022111000 |
4 | 113122303330011330 |
5 | 402444321310202 |
6 | 15315111330300 |
7 | 1550065332141 |
oct | 273263740574 |
9 | 71813368430 |
10 | 25145885052 |
11 | a734218692 |
12 | 4a59380990 |
13 | 24a9824432 |
14 | 13078c03c8 |
15 | 9c28dc91c |
hex | 5dacfc17c |
25145885052 has 48 divisors (see below), whose sum is σ = 65463613600. Its totient is φ = 8347173120.
The previous prime is 25145885047. The next prime is 25145885069. The reversal of 25145885052 is 25058854152.
25145885052 is a `hidden beast` number, since 2 + 5 + 14 + 588 + 5 + 0 + 52 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 25145884989 and 25145885007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457027 + ... + 509082.
Almost surely, 225145885052 is an apocalyptic number.
It is an amenable number.
25145885052 is an abundant number, since it is smaller than the sum of its proper divisors (40317728548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25145885052 is a wasteful number, since it uses less digits than its factorization.
25145885052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 966363 (or 966355 counting only the distinct ones).
The product of its (nonzero) digits is 640000, while the sum is 45.
The spelling of 25145885052 in words is "twenty-five billion, one hundred forty-five million, eight hundred eighty-five thousand, fifty-two".
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