Base | Representation |
---|---|
bin | 1000001111100001… |
… | …0000100010111011 |
3 | 12201012022212000122 |
4 | 2003320100202323 |
5 | 14012404010011 |
6 | 1003314523455 |
7 | 105554322242 |
oct | 20370204273 |
9 | 5635285018 |
10 | 2212563131 |
11 | a35a30479 |
12 | 518b9658b |
13 | 29350ca6c |
14 | 16dbcb959 |
15 | ce39e3db |
hex | 83e108bb |
2212563131 has 12 divisors (see below), whose sum is σ = 2345560560. Its totient is φ = 2086521360.
The previous prime is 2212563103. The next prime is 2212563169. The reversal of 2212563131 is 1313652122.
It is a happy number.
It is not a de Polignac number, because 2212563131 - 214 = 2212546747 is a prime.
It is a super-2 number, since 2×22125631312 = 9790871217321046322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2212563131.
It is not an unprimeable number, because it can be changed into a prime (2212563181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8105 + ... + 67013.
It is an arithmetic number, because the mean of its divisors is an integer number (195463380).
Almost surely, 22212563131 is an apocalyptic number.
2212563131 is a deficient number, since it is larger than the sum of its proper divisors (132997429).
2212563131 is an equidigital number, since it uses as much as digits as its factorization.
2212563131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59026 (or 59003 counting only the distinct ones).
The product of its digits is 2160, while the sum is 26.
The square root of 2212563131 is about 47037.8903757386. The cubic root of 2212563131 is about 1303.0624312008.
The spelling of 2212563131 in words is "two billion, two hundred twelve million, five hundred sixty-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •