Base | Representation |
---|---|
bin | 1011011111111001110111… |
… | …00000111001001111101100 |
3 | 10022112021012221112110121011 |
4 | 11233330323200321033230 |
5 | 11303234121030403010 |
6 | 125435552431515004 |
7 | 5216546353564234 |
oct | 557747340711754 |
9 | 108467187473534 |
10 | 25285470950380 |
11 | 8069565184873 |
12 | 2a045b1088a64 |
13 | 11155430b1404 |
14 | 635b752b4cc4 |
15 | 2dcaee47ca8a |
hex | 16ff3b8393ec |
25285470950380 has 48 divisors (see below), whose sum is σ = 56235877961760. Its totient is φ = 9517053754368.
The previous prime is 25285470950323. The next prime is 25285470950401. The reversal of 25285470950380 is 8305907458252.
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, 7039275 + ... + 10006114.
It is an arithmetic number, because the mean of its divisors is an integer number (1171580790870).
Almost surely, 225285470950380 is an apocalyptic number.
25285470950380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25285470950380 is an abundant number, since it is smaller than the sum of its proper divisors (30950407011380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25285470950380 is a wasteful number, since it uses less digits than its factorization.
25285470950380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17049778 (or 17049776 counting only the distinct ones).
The product of its (nonzero) digits is 24192000, while the sum is 58.
The spelling of 25285470950380 in words is "twenty-five trillion, two hundred eighty-five billion, four hundred seventy million, nine hundred fifty thousand, three hundred eighty".
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