Base | Representation |
---|---|
bin | 10111010101001110… |
… | …000100100110000000 |
3 | 2101122220220010121101 |
4 | 113111032010212000 |
5 | 402301312303240 |
6 | 15301520504144 |
7 | 1544546046502 |
oct | 272516044600 |
9 | 71586803541 |
10 | 25052072320 |
11 | a696272800 |
12 | 4a31a7b054 |
13 | 2493268c42 |
14 | 12d925dd72 |
15 | 9b955b39a |
hex | 5d5384980 |
25052072320 has 192 divisors, whose sum is σ = 66502159920. Its totient is φ = 9016832000.
The previous prime is 25052072293. The next prime is 25052072341. The reversal of 25052072320 is 2327025052.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7819839 + ... + 7823041.
Almost surely, 225052072320 is an apocalyptic number.
25052072320 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 25052072320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33251079960).
25052072320 is an abundant number, since it is smaller than the sum of its proper divisors (41450087600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25052072320 is a wasteful number, since it uses less digits than its factorization.
25052072320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345 (or 3322 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 28.
Adding to 25052072320 its reverse (2327025052), we get a palindrome (27379097372).
The spelling of 25052072320 in words is "twenty-five billion, fifty-two million, seventy-two thousand, three hundred twenty".
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