Base | Representation |
---|---|
bin | 10111110010101000… |
… | …100011000010101001 |
3 | 2102221022110111112002 |
4 | 113302220203002221 |
5 | 404304130131131 |
6 | 15422505500345 |
7 | 1563020416052 |
oct | 276250430251 |
9 | 72838414462 |
10 | 25545552041 |
11 | a919886389 |
12 | 4b4b1a16b5 |
13 | 254157a289 |
14 | 13449d9729 |
15 | 9e7a376cb |
hex | 5f2a230a9 |
25545552041 has 16 divisors (see below), whose sum is σ = 27145483200. Its totient is φ = 23972251968.
The previous prime is 25545552031. The next prime is 25545552047. The reversal of 25545552041 is 14025554552.
It is not a de Polignac number, because 25545552041 - 230 = 24471810217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25545551986 and 25545552004.
It is not an unprimeable number, because it can be changed into a prime (25545552047) 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, 842246 + ... + 872048.
It is an arithmetic number, because the mean of its divisors is an integer number (1696592700).
Almost surely, 225545552041 is an apocalyptic number.
It is an amenable number.
25545552041 is a deficient number, since it is larger than the sum of its proper divisors (1599931159).
25545552041 is a wasteful number, since it uses less digits than its factorization.
25545552041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30248.
The product of its (nonzero) digits is 200000, while the sum is 38.
The spelling of 25545552041 in words is "twenty-five billion, five hundred forty-five million, five hundred fifty-two thousand, forty-one".
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