Base | Representation |
---|---|
bin | 1110110101111111100… |
… | …1101111010100011101 |
3 | 220101020020010222012221 |
4 | 3231133321233110131 |
5 | 13134231040321023 |
6 | 313052333025341 |
7 | 24265302410101 |
oct | 3553771572435 |
9 | 811206128187 |
10 | 255012042013 |
11 | 99171716633 |
12 | 4150b025251 |
13 | 1b080575921 |
14 | c4b2329901 |
15 | 6977d4d85d |
hex | 3b5fe6f51d |
255012042013 has 4 divisors (see below), whose sum is σ = 255017052160. Its totient is φ = 255007031868.
The previous prime is 255012041959. The next prime is 255012042031. The reversal of 255012042013 is 310240210552.
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 255012042013 - 229 = 254475171101 is a prime.
It is a super-2 number, since 2×2550120420132 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255012042083) 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, 2427933 + ... + 2530786.
It is an arithmetic number, because the mean of its divisors is an integer number (63754263040).
Almost surely, 2255012042013 is an apocalyptic number.
It is an amenable number.
255012042013 is a deficient number, since it is larger than the sum of its proper divisors (5010147).
255012042013 is an equidigital number, since it uses as much as digits as its factorization.
255012042013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5010146.
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 255012042013 its reverse (310240210552), we get a palindrome (565252252565).
The spelling of 255012042013 in words is "two hundred fifty-five billion, twelve million, forty-two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •