Base | Representation |
---|---|
bin | 10111101101000011… |
… | …110010101010100000 |
3 | 2102200210111010020220 |
4 | 113231003302222200 |
5 | 404111204434444 |
6 | 15405325203040 |
7 | 1560503455626 |
oct | 275503625240 |
9 | 72623433226 |
10 | 25452030624 |
11 | a88100a359 |
12 | 4b23a00480 |
13 | 2528094567 |
14 | 1336413516 |
15 | 9de712619 |
hex | 5ed0f2aa0 |
25452030624 has 96 divisors (see below), whose sum is σ = 70801879680. Its totient is φ = 7978156032.
The previous prime is 25452030619. The next prime is 25452030631. The reversal of 25452030624 is 42603025452.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120512 + ... + 2132480.
It is an arithmetic number, because the mean of its divisors is an integer number (737519580).
Almost surely, 225452030624 is an apocalyptic number.
25452030624 is a gapful number since it is divisible by the number (24) 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 25452030624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35400939840).
25452030624 is an abundant number, since it is smaller than the sum of its proper divisors (45349849056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25452030624 is a wasteful number, since it uses less digits than its factorization.
25452030624 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13302 (or 13294 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 33.
The spelling of 25452030624 in words is "twenty-five billion, four hundred fifty-two million, thirty thousand, six hundred twenty-four".
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