Base | Representation |
---|---|
bin | 111111001011111… |
… | …1011000010011011 |
3 | 12110202112100002210 |
4 | 1332113323002123 |
5 | 13320232402342 |
6 | 550215130203 |
7 | 103353256056 |
oct | 17627730233 |
9 | 5422470083 |
10 | 2120200347 |
11 | 9988859a1 |
12 | 4b2073963 |
13 | 27a341525 |
14 | 161827a9d |
15 | c620779c |
hex | 7e5fb09b |
2120200347 has 4 divisors (see below), whose sum is σ = 2826933800. Its totient is φ = 1413466896.
The previous prime is 2120200337. The next prime is 2120200349. The reversal of 2120200347 is 7430020212.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2120200347 - 28 = 2120200091 is a prime.
It is a super-2 number, since 2×21202003472 = 8990499022837840818, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2120200349) 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, 353366722 + ... + 353366727.
It is an arithmetic number, because the mean of its divisors is an integer number (706733450).
Almost surely, 22120200347 is an apocalyptic number.
2120200347 is a deficient number, since it is larger than the sum of its proper divisors (706733453).
2120200347 is an equidigital number, since it uses as much as digits as its factorization.
2120200347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 706733452.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 2120200347 is about 46045.6333108798. The cubic root of 2120200347 is about 1284.6721237489.
Adding to 2120200347 its reverse (7430020212), we get a palindrome (9550220559).
The spelling of 2120200347 in words is "two billion, one hundred twenty million, two hundred thousand, three hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •