Base | Representation |
---|---|
bin | 10111101100011101… |
… | …100010100100110101 |
3 | 2102200002121200021210 |
4 | 113230131202210311 |
5 | 404101123101003 |
6 | 15404330232033 |
7 | 1560322313412 |
oct | 275435424465 |
9 | 72602550253 |
10 | 25442003253 |
11 | a876390677 |
12 | 4b20585619 |
13 | 2525c933c4 |
14 | 1334d63109 |
15 | 9dd8d1503 |
hex | 5ec762935 |
25442003253 has 16 divisors (see below), whose sum is σ = 35168267520. Its totient is φ = 16341065664.
The previous prime is 25442003231. The next prime is 25442003287. The reversal of 25442003253 is 35230024452.
It is not a de Polignac number, because 25442003253 - 26 = 25442003189 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25442003253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25442003203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275526 + ... + 356087.
It is an arithmetic number, because the mean of its divisors is an integer number (2198016720).
Almost surely, 225442003253 is an apocalyptic number.
It is an amenable number.
25442003253 is a deficient number, since it is larger than the sum of its proper divisors (9726264267).
25442003253 is a wasteful number, since it uses less digits than its factorization.
25442003253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 632108.
The product of its (nonzero) digits is 28800, while the sum is 30.
The spelling of 25442003253 in words is "twenty-five billion, four hundred forty-two million, three thousand, two hundred fifty-three".
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