Base | Representation |
---|---|
bin | 10111100100001010… |
… | …010110011011101100 |
3 | 2102022101121010200000 |
4 | 113210022112123230 |
5 | 403310001130202 |
6 | 15342433504300 |
7 | 1554011604111 |
oct | 274412263354 |
9 | 72271533600 |
10 | 25302755052 |
11 | a804822413 |
12 | 4aa1a12090 |
13 | 250318a313 |
14 | 1320676908 |
15 | 9d157791c |
hex | 5e42966ec |
25302755052 has 288 divisors, whose sum is σ = 72648576000. Its totient is φ = 7669251072.
The previous prime is 25302755033. The next prime is 25302755053. The reversal of 25302755052 is 25055720352.
25302755052 is a `hidden beast` number, since 2 + 5 + 30 + 27 + 550 + 52 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 25302754998 and 25302755016.
It is not an unprimeable number, because it can be changed into a prime (25302755053) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105869149 + ... + 105869387.
It is an arithmetic number, because the mean of its divisors is an integer number (252252000).
Almost surely, 225302755052 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25302755052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36324288000).
25302755052 is an abundant number, since it is smaller than the sum of its proper divisors (47345820948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25302755052 is a wasteful number, since it uses less digits than its factorization.
25302755052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 105000, while the sum is 36.
The spelling of 25302755052 in words is "twenty-five billion, three hundred two million, seven hundred fifty-five thousand, fifty-two".
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