Base | Representation |
---|---|
bin | 10111010111000110… |
… | …011111000100100100 |
3 | 2101202010021211122120 |
4 | 113113012133010210 |
5 | 402332402404202 |
6 | 15305005225540 |
7 | 1545411256044 |
oct | 272706370444 |
9 | 71663254576 |
10 | 25083638052 |
11 | a702072590 |
12 | 4a405622b0 |
13 | 249996b7a5 |
14 | 12dd519724 |
15 | 9bc1e40bc |
hex | 5d719f124 |
25083638052 has 48 divisors (see below), whose sum is σ = 64481465664. Its totient is φ = 7525840000.
The previous prime is 25083638051. The next prime is 25083638077.
25083638052 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 25083637995 and 25083638013.
It is not an unprimeable number, because it can be changed into a prime (25083638051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927399 + ... + 954062.
It is an arithmetic number, because the mean of its divisors is an integer number (1343363868).
Almost surely, 225083638052 is an apocalyptic number.
25083638052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
25083638052 is an abundant number, since it is smaller than the sum of its proper divisors (39397827612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25083638052 is a wasteful number, since it uses less digits than its factorization.
25083638052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1881580 (or 1881578 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 42.
The spelling of 25083638052 in words is "twenty-five billion, eighty-three million, six hundred thirty-eight thousand, fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •