Base | Representation |
---|---|
bin | 10111101001010111… |
… | …110011110010001110 |
3 | 2102112111002020101011 |
4 | 113221113303302032 |
5 | 403444340403410 |
6 | 15355235235434 |
7 | 1556122606666 |
oct | 275127636216 |
9 | 72474066334 |
10 | 25390169230 |
11 | a84a0a7a38 |
12 | 4b07148b7a |
13 | 251831529a |
14 | 132c10d1a6 |
15 | 9d909318a |
hex | 5e95f3c8e |
25390169230 has 32 divisors (see below), whose sum is σ = 47003276160. Its totient is φ = 9867732480.
The previous prime is 25390169197. The next prime is 25390169237. The reversal of 25390169230 is 3296109352.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25390169237) 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, 218310 + ... + 313750.
It is an arithmetic number, because the mean of its divisors is an integer number (1468852380).
Almost surely, 225390169230 is an apocalyptic number.
25390169230 is a deficient number, since it is larger than the sum of its proper divisors (21613106930).
25390169230 is a wasteful number, since it uses less digits than its factorization.
25390169230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96204.
The product of its (nonzero) digits is 87480, while the sum is 40.
The spelling of 25390169230 in words is "twenty-five billion, three hundred ninety million, one hundred sixty-nine thousand, two hundred thirty".
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