Base | Representation |
---|---|
bin | 1110010110110… |
… | …00001110100011 |
3 | 22101121010202101 |
4 | 13023120032203 |
5 | 221312021311 |
6 | 15541031231 |
7 | 2661403300 |
oct | 713301643 |
9 | 271533671 |
10 | 120423331 |
11 | 61a80916 |
12 | 343b5517 |
13 | 1bc44812 |
14 | 11dca0a7 |
15 | a88aec1 |
hex | 72d83a3 |
120423331 has 12 divisors (see below), whose sum is σ = 146176272. Its totient is φ = 98731248.
The previous prime is 120423323. The next prime is 120423371. The reversal of 120423331 is 133324021.
It is not a de Polignac number, because 120423331 - 23 = 120423323 is a prime.
It is a super-2 number, since 2×1204233312 = 29003557298271122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120423299 and 120423308.
It is not an unprimeable number, because it can be changed into a prime (120423301) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52300 + ... + 54553.
It is an arithmetic number, because the mean of its divisors is an integer number (12181356).
Almost surely, 2120423331 is an apocalyptic number.
120423331 is a deficient number, since it is larger than the sum of its proper divisors (25752941).
120423331 is a wasteful number, since it uses less digits than its factorization.
120423331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106890 (or 106883 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 120423331 is about 10973.7564671356. The cubic root of 120423331 is about 493.8217474972.
Adding to 120423331 its reverse (133324021), we get a palindrome (253747352).
The spelling of 120423331 in words is "one hundred twenty million, four hundred twenty-three thousand, three hundred thirty-one".
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