Base | Representation |
---|---|
bin | 10111111110111111… |
… | …001000101100000000 |
3 | 2110110202102210021102 |
4 | 113332333020230000 |
5 | 410220204100000 |
6 | 15455231513532 |
7 | 1601115121364 |
oct | 277677105400 |
9 | 73422383242 |
10 | 25752800000 |
11 | aa15869894 |
12 | 4ba86888a8 |
13 | 25754a15c5 |
14 | 13643472a4 |
15 | a0ad243d5 |
hex | 5fefc8b00 |
25752800000 has 108 divisors (see below), whose sum is σ = 64254137472. Its totient is φ = 10300800000.
The previous prime is 25752799997. The next prime is 25752800027. The reversal of 25752800000 is 825752.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783905 + ... + 816095.
Almost surely, 225752800000 is an apocalyptic number.
25752800000 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 25752800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32127068736).
25752800000 is an abundant number, since it is smaller than the sum of its proper divisors (38501337472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25752800000 is an frugal number, since it uses more digits than its factorization.
25752800000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32232 (or 32198 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 29.
The spelling of 25752800000 in words is "twenty-five billion, seven hundred fifty-two million, eight hundred thousand".
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