Base | Representation |
---|---|
bin | 10111011010010010… |
… | …001011111101011001 |
3 | 2101212211202210102202 |
4 | 113122102023331121 |
5 | 402440040142040 |
6 | 15314153535545 |
7 | 1546630201403 |
oct | 273222137531 |
9 | 71784683382 |
10 | 25137037145 |
11 | a72a225070 |
12 | 4a564145b5 |
13 | 24a7a4709c |
14 | 1306659b73 |
15 | 9c1c41015 |
hex | 5da48bf59 |
25137037145 has 32 divisors (see below), whose sum is σ = 34709852160. Its totient is φ = 17283672000.
The previous prime is 25137037129. The next prime is 25137037193. The reversal of 25137037145 is 54173073152.
It is a happy number.
It is not a de Polignac number, because 25137037145 - 24 = 25137037129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25137037099 and 25137037108.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488600 + ... + 537590.
It is an arithmetic number, because the mean of its divisors is an integer number (1084682880).
Almost surely, 225137037145 is an apocalyptic number.
It is an amenable number.
25137037145 is a deficient number, since it is larger than the sum of its proper divisors (9572815015).
25137037145 is a wasteful number, since it uses less digits than its factorization.
25137037145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49517.
The product of its (nonzero) digits is 88200, while the sum is 38.
The spelling of 25137037145 in words is "twenty-five billion, one hundred thirty-seven million, thirty-seven thousand, one hundred forty-five".
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