Base | Representation |
---|---|
bin | 1000010001100001… |
… | …1111100100000101 |
3 | 12201210020011102010 |
4 | 2010120133210011 |
5 | 14022034411003 |
6 | 1004220004433 |
7 | 106016205204 |
oct | 20430374405 |
9 | 5653204363 |
10 | 2221013253 |
11 | a3a782148 |
12 | 51b990719 |
13 | 2951ab034 |
14 | 170d8b23b |
15 | ceebd003 |
hex | 8461f905 |
2221013253 has 24 divisors (see below), whose sum is σ = 3042126720. Its totient is φ = 1441332480.
The previous prime is 2221013243. The next prime is 2221013269. The reversal of 2221013253 is 3523101222.
It is not a de Polignac number, because 2221013253 - 24 = 2221013237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221013203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2390293 + ... + 2391221.
It is an arithmetic number, because the mean of its divisors is an integer number (126755280).
Almost surely, 22221013253 is an apocalyptic number.
It is an amenable number.
2221013253 is a deficient number, since it is larger than the sum of its proper divisors (821113467).
2221013253 is an equidigital number, since it uses as much as digits as its factorization.
2221013253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1449 (or 1406 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2221013253 is about 47127.6272795480. The cubic root of 2221013253 is about 1304.7191897373.
Adding to 2221013253 its reverse (3523101222), we get a palindrome (5744114475).
The spelling of 2221013253 in words is "two billion, two hundred twenty-one million, thirteen thousand, two hundred fifty-three".
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