Base | Representation |
---|---|
bin | 111111001011101… |
… | …0010011110110111 |
3 | 12110202012220020100 |
4 | 1332113102132313 |
5 | 13320212043411 |
6 | 550211405143 |
7 | 103351664550 |
oct | 17627223667 |
9 | 5422186210 |
10 | 2120034231 |
11 | 998782107 |
12 | 4b1bb37b3 |
13 | 27a2b3a33 |
14 | 1617c3327 |
15 | c61c3456 |
hex | 7e5d27b7 |
2120034231 has 108 divisors (see below), whose sum is σ = 3855969936. Its totient is φ = 1099215360.
The previous prime is 2120034229. The next prime is 2120034233. The reversal of 2120034231 is 1324300212.
It is an interprime number because it is at equal distance from previous prime (2120034229) and next prime (2120034233).
It is not a de Polignac number, because 2120034231 - 21 = 2120034229 is a prime.
It is a super-2 number, since 2×21200342312 = 8989090281223522722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120034233) by changing a digit.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 21855975 + ... + 21856071.
Almost surely, 22120034231 is an apocalyptic number.
2120034231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2120034231 is a deficient number, since it is larger than the sum of its proper divisors (1735935705).
2120034231 is a wasteful number, since it uses less digits than its factorization.
2120034231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210 (or 157 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2120034231 is about 46043.8294562909. The cubic root of 2120034231 is about 1284.6385718618.
Adding to 2120034231 its reverse (1324300212), we get a palindrome (3444334443).
The spelling of 2120034231 in words is "two billion, one hundred twenty million, thirty-four thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •