Base | Representation |
---|---|
bin | 1001100000010101… |
… | …0111000011111101 |
3 | 20120211011202122001 |
4 | 2120011113003331 |
5 | 20211143321023 |
6 | 1101104222301 |
7 | 120141514666 |
oct | 23005270375 |
9 | 6524152561 |
10 | 2551542013 |
11 | 109a308309 |
12 | 5b260a991 |
13 | 318807697 |
14 | 1a2c2a36d |
15 | ee00c6ad |
hex | 981570fd |
2551542013 has 2 divisors, whose sum is σ = 2551542014. Its totient is φ = 2551542012.
The previous prime is 2551541987. The next prime is 2551542031. The reversal of 2551542013 is 3102451552.
2551542013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with next prime (2551542031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2319192964 + 232349049 = 48158^2 + 15243^2 .
It is a cyclic number.
It is not a de Polignac number, because 2551542013 - 225 = 2517987581 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2551542073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275771006 + 1275771007.
It is an arithmetic number, because the mean of its divisors is an integer number (1275771007).
Almost surely, 22551542013 is an apocalyptic number.
It is an amenable number.
2551542013 is a deficient number, since it is larger than the sum of its proper divisors (1).
2551542013 is an equidigital number, since it uses as much as digits as its factorization.
2551542013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 2551542013 is about 50512.7905881273. The cubic root of 2551542013 is about 1366.4725373742.
Adding to 2551542013 its reverse (3102451552), we get a palindrome (5653993565).
It can be divided in two parts, 25515 and 42013, that added together give a triangular number (67528 = T367).
The spelling of 2551542013 in words is "two billion, five hundred fifty-one million, five hundred forty-two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •