Base | Representation |
---|---|
bin | 10111100000000100… |
… | …000100100010000000 |
3 | 2102010121020000110121 |
4 | 113200010010202000 |
5 | 403134401000000 |
6 | 15331540110024 |
7 | 1552215314056 |
oct | 274004044200 |
9 | 72117200417 |
10 | 25234000000 |
11 | a779a31760 |
12 | 4a82995314 |
13 | 24c1b66361 |
14 | 131549a1d6 |
15 | 9ca4e5b1a |
hex | 5e0104880 |
25234000000 has 448 divisors, whose sum is σ = 72674069760. Its totient is φ = 8640000000.
The previous prime is 25233999979. The next prime is 25234000003. The reversal of 25234000000 is 43252.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25234000003) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 681999982 + ... + 682000018.
Almost surely, 225234000000 is an apocalyptic number.
25234000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25234000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36337034880).
25234000000 is an abundant number, since it is smaller than the sum of its proper divisors (47440069760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25234000000 is an frugal number, since it uses more digits than its factorization.
25234000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123 (or 86 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 16.
Adding to 25234000000 its reverse (43252), we get a palindrome (25234043252).
The spelling of 25234000000 in words is "twenty-five billion, two hundred thirty-four million", and thus it is an aban number.
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