Base | Representation |
---|---|
bin | 10111011111111010… |
… | …100010101110000110 |
3 | 2102010102112010011000 |
4 | 113133322202232012 |
5 | 403133231032324 |
6 | 15331410354130 |
7 | 1552155141642 |
oct | 273772425606 |
9 | 72112463130 |
10 | 25231502214 |
11 | a778586076 |
12 | 4a81b8b946 |
13 | 24c14a0489 |
14 | 1315009c22 |
15 | 9ca1a09c9 |
hex | 5dfea2b86 |
25231502214 has 32 divisors (see below), whose sum is σ = 56278476000. Its totient is φ = 8379230112.
The previous prime is 25231502201. The next prime is 25231502269. The reversal of 25231502214 is 41220513252.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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, 853969 + ... + 883020.
It is an arithmetic number, because the mean of its divisors is an integer number (1758702375).
Almost surely, 225231502214 is an apocalyptic number.
25231502214 is an abundant number, since it is smaller than the sum of its proper divisors (31046973786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25231502214 is a wasteful number, since it uses less digits than its factorization.
25231502214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1737269 (or 1737263 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The spelling of 25231502214 in words is "twenty-five billion, two hundred thirty-one million, five hundred two thousand, two hundred fourteen".
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