Base | Representation |
---|---|
bin | 111111001100001… |
… | …1010101111110111 |
3 | 12110202202221021022 |
4 | 1332120122233313 |
5 | 13320301031411 |
6 | 550222011355 |
7 | 103354336535 |
oct | 17630325767 |
9 | 5422687238 |
10 | 2120330231 |
11 | 998964538 |
12 | 4b2116b5b |
13 | 27a388696 |
14 | 16185d155 |
15 | c6230edb |
hex | 7e61abf7 |
2120330231 has 8 divisors (see below), whose sum is σ = 2146900224. Its totient is φ = 2093921280.
The previous prime is 2120330227. The next prime is 2120330257. The reversal of 2120330231 is 1320330212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2120330231 - 22 = 2120330227 is a prime.
It is a super-2 number, since 2×21203302312 = 8991600576985026722, 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 (2120330131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13655 + ... + 66536.
It is an arithmetic number, because the mean of its divisors is an integer number (268362528).
Almost surely, 22120330231 is an apocalyptic number.
2120330231 is a deficient number, since it is larger than the sum of its proper divisors (26569993).
2120330231 is a wasteful number, since it uses less digits than its factorization.
2120330231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80521.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 2120330231 is about 46047.0436727484. The cubic root of 2120330231 is about 1284.6983563244.
Adding to 2120330231 its reverse (1320330212), we get a palindrome (3440660443).
The spelling of 2120330231 in words is "two billion, one hundred twenty million, three hundred thirty thousand, two hundred thirty-one".
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