Base | Representation |
---|---|
bin | 10111101101001111… |
… | …101000010101100101 |
3 | 2102201000022210100201 |
4 | 113231033220111211 |
5 | 404113003242203 |
6 | 15405515510501 |
7 | 1560542032546 |
oct | 275517502545 |
9 | 72630283321 |
10 | 25455134053 |
11 | a882839a78 |
12 | 4b24a58431 |
13 | 252890cccb |
14 | 13369c04cd |
15 | 9deb26e1d |
hex | 5ed3e8565 |
25455134053 has 4 divisors (see below), whose sum is σ = 25521596928. Its totient is φ = 25388671180.
The previous prime is 25455134027. The next prime is 25455134071. The reversal of 25455134053 is 35043155452.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25455134053 - 25 = 25455134021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25455174053) 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, 33230863 + ... + 33231628.
It is an arithmetic number, because the mean of its divisors is an integer number (6380399232).
Almost surely, 225455134053 is an apocalyptic number.
It is an amenable number.
25455134053 is a deficient number, since it is larger than the sum of its proper divisors (66462875).
25455134053 is an equidigital number, since it uses as much as digits as its factorization.
25455134053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66462874.
The product of its (nonzero) digits is 180000, while the sum is 37.
The spelling of 25455134053 in words is "twenty-five billion, four hundred fifty-five million, one hundred thirty-four thousand, fifty-three".
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