Base | Representation |
---|---|
bin | 1000010000001001… |
… | …1111111110110001 |
3 | 12201101101020200120 |
4 | 2010002133332301 |
5 | 14014100412133 |
6 | 1003452240453 |
7 | 105616203243 |
oct | 20402377661 |
9 | 5641336616 |
10 | 2215247793 |
11 | a374a4500 |
12 | 519a70129 |
13 | 293c3ca15 |
14 | 1702ca093 |
15 | ce72eab3 |
hex | 8409ffb1 |
2215247793 has 24 divisors (see below), whose sum is σ = 3250132704. Its totient is φ = 1341109440.
The previous prime is 2215247789. The next prime is 2215247803. The reversal of 2215247793 is 3977425122.
2215247793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2215247793 - 22 = 2215247789 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2215247743) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395430 + ... + 400992.
It is an arithmetic number, because the mean of its divisors is an integer number (135422196).
Almost surely, 22215247793 is an apocalyptic number.
It is an amenable number.
2215247793 is a deficient number, since it is larger than the sum of its proper divisors (1034884911).
2215247793 is a wasteful number, since it uses less digits than its factorization.
2215247793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6685 (or 6674 counting only the distinct ones).
The product of its digits is 211680, while the sum is 42.
The square root of 2215247793 is about 47066.4189523699. The cubic root of 2215247793 is about 1303.5892513084.
The spelling of 2215247793 in words is "two billion, two hundred fifteen million, two hundred forty-seven thousand, seven hundred ninety-three".
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