Base | Representation |
---|---|
bin | 10111010100100101… |
… | …000110111111010111 |
3 | 2101122011200120201101 |
4 | 113110211012333113 |
5 | 402241040143411 |
6 | 15300454410531 |
7 | 1544355554224 |
oct | 272445067727 |
9 | 71564616641 |
10 | 25041334231 |
11 | a6901a9051 |
12 | 4a2a360a47 |
13 | 2490c79444 |
14 | 12d7a6694b |
15 | 9b86398c1 |
hex | 5d4946fd7 |
25041334231 has 2 divisors, whose sum is σ = 25041334232. Its totient is φ = 25041334230.
The previous prime is 25041334139. The next prime is 25041334243. The reversal of 25041334231 is 13243314052.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25041334231 - 27 = 25041334103 is a prime.
It is a super-2 number, since 2×250413342312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 25041334231.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25041334261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520667115 + 12520667116.
It is an arithmetic number, because the mean of its divisors is an integer number (12520667116).
Almost surely, 225041334231 is an apocalyptic number.
25041334231 is a deficient number, since it is larger than the sum of its proper divisors (1).
25041334231 is an equidigital number, since it uses as much as digits as its factorization.
25041334231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8640, while the sum is 28.
Adding to 25041334231 its reverse (13243314052), we get a palindrome (38284648283).
The spelling of 25041334231 in words is "twenty-five billion, forty-one million, three hundred thirty-four thousand, two hundred thirty-one".
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