Base | Representation |
---|---|
bin | 111111001100000… |
… | …0000111001001011 |
3 | 12110202120120000002 |
4 | 1332120000321023 |
5 | 13320234134311 |
6 | 550215433215 |
7 | 103353416021 |
oct | 17630007113 |
9 | 5422516002 |
10 | 2120224331 |
11 | 9988a1a15 |
12 | 4b208580b |
13 | 27a34c414 |
14 | 161832711 |
15 | c620e93b |
hex | 7e600e4b |
2120224331 has 4 divisors (see below), whose sum is σ = 2120782752. Its totient is φ = 2119665912.
The previous prime is 2120224321. The next prime is 2120224333. The reversal of 2120224331 is 1334220212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2120224331 - 210 = 2120223307 is a prime.
It is a super-2 number, since 2×21202243312 = 8990702427528795122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2120224333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273476 + ... + 281121.
It is an arithmetic number, because the mean of its divisors is an integer number (530195688).
Almost surely, 22120224331 is an apocalyptic number.
2120224331 is a deficient number, since it is larger than the sum of its proper divisors (558421).
2120224331 is an equidigital number, since it uses as much as digits as its factorization.
2120224331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558420.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2120224331 is about 46045.8937474342. The cubic root of 2120224331 is about 1284.6769678603.
Adding to 2120224331 its reverse (1334220212), we get a palindrome (3454444543).
The spelling of 2120224331 in words is "two billion, one hundred twenty million, two hundred twenty-four thousand, three hundred thirty-one".
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