Base | Representation |
---|---|
bin | 111111001011101… |
… | …0000000010100111 |
3 | 12110202012101111222 |
4 | 1332113100002213 |
5 | 13320211233411 |
6 | 550211250555 |
7 | 103351623443 |
oct | 17627200247 |
9 | 5422171458 |
10 | 2120024231 |
11 | 998775646 |
12 | 4b1ba9a5b |
13 | 27a2ac310 |
14 | 1617bd823 |
15 | c61c04db |
hex | 7e5d00a7 |
2120024231 has 4 divisors (see below), whose sum is σ = 2283103032. Its totient is φ = 1956945432.
The previous prime is 2120024213. The next prime is 2120024281. The reversal of 2120024231 is 1324200212.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2120024231 - 226 = 2052915367 is a prime.
It is a super-2 number, since 2×21200242312 = 8989005480054282722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120024281) 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, 81539381 + ... + 81539406.
It is an arithmetic number, because the mean of its divisors is an integer number (570775758).
Almost surely, 22120024231 is an apocalyptic number.
2120024231 is a deficient number, since it is larger than the sum of its proper divisors (163078801).
2120024231 is a wasteful number, since it uses less digits than its factorization.
2120024231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163078800.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2120024231 is about 46043.7208639788. The cubic root of 2120024231 is about 1284.6365520193.
Adding to 2120024231 its reverse (1324200212), we get a palindrome (3444224443).
The spelling of 2120024231 in words is "two billion, one hundred twenty million, twenty-four thousand, two hundred thirty-one".
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