Base | Representation |
---|---|
bin | 1011100110011100010110… |
… | …00001101101011000101101 |
3 | 10100022202010202002221020221 |
4 | 11303032023001231120231 |
5 | 11320424233133031023 |
6 | 130131110435011341 |
7 | 5242022062621630 |
oct | 563161301553055 |
9 | 110282122087227 |
10 | 25510143252013 |
11 | 81458778aa3a2 |
12 | 2a40053439b51 |
13 | 1130799a8b824 |
14 | 6429a9dd9c17 |
15 | 2e389d94385d |
hex | 17338b06d62d |
25510143252013 has 64 divisors (see below), whose sum is σ = 32071879065600. Its totient is φ = 19784256972480.
The previous prime is 25510143251987. The next prime is 25510143252029. The reversal of 25510143252013 is 31025234101552.
It is not a de Polignac number, because 25510143252013 - 213 = 25510143243821 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25510143252013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25510143250013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9340951858 + ... + 9340954588.
It is an arithmetic number, because the mean of its divisors is an integer number (501123110400).
Almost surely, 225510143252013 is an apocalyptic number.
25510143252013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
25510143252013 is a deficient number, since it is larger than the sum of its proper divisors (6561735813587).
25510143252013 is a wasteful number, since it uses less digits than its factorization.
25510143252013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6302.
The product of its (nonzero) digits is 36000, while the sum is 34.
Adding to 25510143252013 its reverse (31025234101552), we get a palindrome (56535377353565).
The spelling of 25510143252013 in words is "twenty-five trillion, five hundred ten billion, one hundred forty-three million, two hundred fifty-two thousand, thirteen".
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