Base | Representation |
---|---|
bin | 10111010011100000… |
… | …000111111001101111 |
3 | 2101120220122210212012 |
4 | 113103200013321233 |
5 | 402221423000111 |
6 | 15255011031435 |
7 | 1544046054503 |
oct | 272340077157 |
9 | 71526583765 |
10 | 25023250031 |
11 | a680a7712a |
12 | 4a2429b57b |
13 | 248a2b7030 |
14 | 12d54ba303 |
15 | 9b6c6648b |
hex | 5d3807e6f |
25023250031 has 8 divisors (see below), whose sum is σ = 27317268720. Its totient is φ = 22781967552.
The previous prime is 25023249997. The next prime is 25023250073. The reversal of 25023250031 is 13005232052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25023250031 - 26 = 25023249967 is a prime.
It is a super-2 number, since 2×250232500312 (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 = 25023249979 and 25023250006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25023250081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13183061 + ... + 13184958.
It is an arithmetic number, because the mean of its divisors is an integer number (3414658590).
Almost surely, 225023250031 is an apocalyptic number.
25023250031 is a deficient number, since it is larger than the sum of its proper divisors (2294018689).
25023250031 is a wasteful number, since it uses less digits than its factorization.
25023250031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26368105.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 25023250031 its reverse (13005232052), we get a palindrome (38028482083).
The spelling of 25023250031 in words is "twenty-five billion, twenty-three million, two hundred fifty thousand, thirty-one".
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