Base | Representation |
---|---|
bin | 111111000010000… |
… | …0110011110010111 |
3 | 12110101202100111000 |
4 | 1332010012132113 |
5 | 13312420114221 |
6 | 545511514343 |
7 | 103261145220 |
oct | 17604063627 |
9 | 5411670430 |
10 | 2115004311 |
11 | 995957052 |
12 | 4b03889b3 |
13 | 279242454 |
14 | 160c74247 |
15 | c5a2ce26 |
hex | 7e106797 |
2115004311 has 64 divisors (see below), whose sum is σ = 3690086400. Its totient is φ = 1172102400.
The previous prime is 2115004291. The next prime is 2115004313. The reversal of 2115004311 is 1134005112.
It is not a de Polignac number, because 2115004311 - 215 = 2114971543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2115004313) 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 63 ways as a sum of consecutive naturals, for example, 1479345 + ... + 1480773.
It is an arithmetic number, because the mean of its divisors is an integer number (57657600).
Almost surely, 22115004311 is an apocalyptic number.
2115004311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2115004311 is a deficient number, since it is larger than the sum of its proper divisors (1575082089).
2115004311 is a wasteful number, since it uses less digits than its factorization.
2115004311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1677 (or 1671 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 2115004311 is about 45989.1760200158. The cubic root of 2115004311 is about 1283.6218042848.
Adding to 2115004311 its reverse (1134005112), we get a palindrome (3249009423).
The spelling of 2115004311 in words is "two billion, one hundred fifteen million, four thousand, three hundred eleven".
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