Base | Representation |
---|---|
bin | 10111011000110011… |
… | …011100010001000000 |
3 | 2101211010000221121222 |
4 | 113120303130101000 |
5 | 402412210402011 |
6 | 15311505334212 |
7 | 1546206115553 |
oct | 273063342100 |
9 | 71733027558 |
10 | 25112200256 |
11 | a717200810 |
12 | 4a4a037368 |
13 | 24a285c1c0 |
14 | 130323269a |
15 | 9be986ddb |
hex | 5d8cdc440 |
25112200256 has 112 divisors (see below), whose sum is σ = 60433110528. Its totient is φ = 10196582400.
The previous prime is 25112200177. The next prime is 25112200273. The reversal of 25112200256 is 65200221152.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239456 + ... + 327968.
It is an arithmetic number, because the mean of its divisors is an integer number (539581344).
Almost surely, 225112200256 is an apocalyptic number.
25112200256 is a gapful number since it is divisible by the number (26) 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 25112200256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30216555264).
25112200256 is an abundant number, since it is smaller than the sum of its proper divisors (35320910272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25112200256 is a wasteful number, since it uses less digits than its factorization.
25112200256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88580 (or 88570 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 26.
The spelling of 25112200256 in words is "twenty-five billion, one hundred twelve million, two hundred thousand, two hundred fifty-six".
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