Base | Representation |
---|---|
bin | 1001010111001010… |
… | …0111010001001111 |
3 | 20111010210100101100 |
4 | 2111302213101033 |
5 | 20121321320411 |
6 | 1053211514143 |
7 | 116163525054 |
oct | 22562472117 |
9 | 6433710340 |
10 | 2513073231 |
11 | 107a623129 |
12 | 5a1758953 |
13 | 310858aa6 |
14 | 19ba9502b |
15 | ea95e456 |
hex | 95ca744f |
2513073231 has 6 divisors (see below), whose sum is σ = 3629994680. Its totient is φ = 1675382148.
The previous prime is 2513073193. The next prime is 2513073257. The reversal of 2513073231 is 1323703152.
It is not a de Polignac number, because 2513073231 - 215 = 2513040463 is a prime.
It is a super-2 number, since 2×25130732312 = 12631074128737558722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2513073195 and 2513073204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2513073631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139615171 + ... + 139615188.
Almost surely, 22513073231 is an apocalyptic number.
2513073231 is a deficient number, since it is larger than the sum of its proper divisors (1116921449).
2513073231 is a wasteful number, since it uses less digits than its factorization.
2513073231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279230365 (or 279230362 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 27.
The square root of 2513073231 is about 50130.5618460436. The cubic root of 2513073231 is about 1359.5704437434.
Adding to 2513073231 its reverse (1323703152), we get a palindrome (3836776383).
The spelling of 2513073231 in words is "two billion, five hundred thirteen million, seventy-three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •