Base | Representation |
---|---|
bin | 1100000011000111… |
… | …01000110010001101 |
3 | 121200210202102020001 |
4 | 12001203220302031 |
5 | 101221423222003 |
6 | 2545511524301 |
7 | 316203640255 |
oct | 60143506215 |
9 | 17623672201 |
10 | 6468570253 |
11 | 281a380632 |
12 | 1306389691 |
13 | 7c1198182 |
14 | 455142965 |
15 | 27cd4361d |
hex | 1818e8c8d |
6468570253 has 2 divisors, whose sum is σ = 6468570254. Its totient is φ = 6468570252.
The previous prime is 6468570239. The next prime is 6468570257. The reversal of 6468570253 is 3520758646.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5745336804 + 723233449 = 75798^2 + 26893^2 .
It is a cyclic number.
It is not a de Polignac number, because 6468570253 - 217 = 6468439181 is a prime.
It is a super-2 number, since 2×64685702532 = 83684802235992968018, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6468570257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234285126 + 3234285127.
It is an arithmetic number, because the mean of its divisors is an integer number (3234285127).
Almost surely, 26468570253 is an apocalyptic number.
It is an amenable number.
6468570253 is a deficient number, since it is larger than the sum of its proper divisors (1).
6468570253 is an equidigital number, since it uses as much as digits as its factorization.
6468570253 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1209600, while the sum is 46.
The square root of 6468570253 is about 80427.4222700193. The cubic root of 6468570253 is about 1863.2427201504.
The spelling of 6468570253 in words is "six billion, four hundred sixty-eight million, five hundred seventy thousand, two hundred fifty-three".
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