Base | Representation |
---|---|
bin | 10111100010100011… |
… | …110111010011100101 |
3 | 2102020112001012012012 |
4 | 113202203313103211 |
5 | 403231111420434 |
6 | 15340034004005 |
7 | 1553234340050 |
oct | 274243672345 |
9 | 72215035165 |
10 | 25275888869 |
11 | a7a0642460 |
12 | 4a94a16605 |
13 | 24ca74187a |
14 | 131ac81a97 |
15 | 9ce01c3ce |
hex | 5e28f74e5 |
25275888869 has 32 divisors (see below), whose sum is σ = 32196919296. Its totient is φ = 19272193920.
The previous prime is 25275888863. The next prime is 25275888877. The reversal of 25275888869 is 96888857252.
It is not a de Polignac number, because 25275888869 - 212 = 25275884773 is a prime.
It is a super-2 number, since 2×252758888692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25275888799 and 25275888808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25275888863) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696164 + ... + 731570.
It is an arithmetic number, because the mean of its divisors is an integer number (1006153728).
Almost surely, 225275888869 is an apocalyptic number.
It is an amenable number.
25275888869 is a deficient number, since it is larger than the sum of its proper divisors (6921030427).
25275888869 is a wasteful number, since it uses less digits than its factorization.
25275888869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35625.
The product of its digits is 154828800, while the sum is 68.
The spelling of 25275888869 in words is "twenty-five billion, two hundred seventy-five million, eight hundred eighty-eight thousand, eight hundred sixty-nine".
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