Base | Representation |
---|---|
bin | 10111010101011011… |
… | …111010011111000010 |
3 | 2101200011201111010100 |
4 | 113111123322133002 |
5 | 402303224412210 |
6 | 15302130343230 |
7 | 1544621641521 |
oct | 272533723702 |
9 | 71604644110 |
10 | 25055700930 |
11 | a698320a57 |
12 | 4a3312ab16 |
13 | 2493c39750 |
14 | 12d99264b8 |
15 | 9b9a265c0 |
hex | 5d56fa7c2 |
25055700930 has 48 divisors (see below), whose sum is σ = 70155965880. Its totient is φ = 6167556864.
The previous prime is 25055700913. The next prime is 25055700961. The reversal of 25055700930 is 3900755052.
25055700930 is a `hidden beast` number, since 2 + 50 + 5 + 570 + 0 + 9 + 30 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 12627241641 + 12428459289 = 112371^2 + 111483^2 .
It is a super-3 number, since 3×250557009303 (a number of 32 digits) contains 333 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10706395 + ... + 10708734.
Almost surely, 225055700930 is an apocalyptic number.
25055700930 is an abundant number, since it is smaller than the sum of its proper divisors (45100264950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25055700930 is a wasteful number, since it uses less digits than its factorization.
25055700930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21415155 (or 21415152 counting only the distinct ones).
The product of its (nonzero) digits is 47250, while the sum is 36.
The spelling of 25055700930 in words is "twenty-five billion, fifty-five million, seven hundred thousand, nine hundred thirty".
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