Base | Representation |
---|---|
bin | 10111110010111110… |
… | …101000011001010111 |
3 | 2102221201100121200021 |
4 | 113302332220121113 |
5 | 404312120404033 |
6 | 15423233530011 |
7 | 1563120546646 |
oct | 276276503127 |
9 | 72851317607 |
10 | 25551341143 |
11 | a92207a869 |
12 | 4b51113907 |
13 | 2542826293 |
14 | 13456a535d |
15 | 9e82ccb2d |
hex | 5f2fa8657 |
25551341143 has 4 divisors (see below), whose sum is σ = 25551689560. Its totient is φ = 25550992728.
The previous prime is 25551341111. The next prime is 25551341149. The reversal of 25551341143 is 34114315552.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 25551341143 - 25 = 25551341111 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25551341099 and 25551341108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25551341149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16788 + ... + 226681.
It is an arithmetic number, because the mean of its divisors is an integer number (6387922390).
Almost surely, 225551341143 is an apocalyptic number.
25551341143 is a deficient number, since it is larger than the sum of its proper divisors (348417).
25551341143 is a wasteful number, since it uses less digits than its factorization.
25551341143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348416.
The product of its digits is 36000, while the sum is 34.
Adding to 25551341143 its reverse (34114315552), we get a palindrome (59665656695).
The spelling of 25551341143 in words is "twenty-five billion, five hundred fifty-one million, three hundred forty-one thousand, one hundred forty-three".
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