Base | Representation |
---|---|
bin | 1110010110110… |
… | …00011011000011 |
3 | 22101121011212000 |
4 | 13023120123003 |
5 | 221312033011 |
6 | 15541035043 |
7 | 2661405522 |
oct | 713303303 |
9 | 271534760 |
10 | 120424131 |
11 | 61a81483 |
12 | 343b5a83 |
13 | 1bc44ca9 |
14 | 11dca4b9 |
15 | a88b356 |
hex | 72d86c3 |
120424131 has 8 divisors (see below), whose sum is σ = 178406160. Its totient is φ = 80282736.
The previous prime is 120424121. The next prime is 120424189. The reversal of 120424131 is 131424021.
It is not a de Polignac number, because 120424131 - 25 = 120424099 is a prime.
It is a super-2 number, since 2×1204241312 = 29003942654210322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120424111) 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, 2230050 + ... + 2230103.
It is an arithmetic number, because the mean of its divisors is an integer number (22300770).
Almost surely, 2120424131 is an apocalyptic number.
120424131 is a deficient number, since it is larger than the sum of its proper divisors (57982029).
120424131 is an equidigital number, since it uses as much as digits as its factorization.
120424131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4460162 (or 4460156 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 120424131 is about 10973.7929176744. The cubic root of 120424131 is about 493.8228410187.
Adding to 120424131 its reverse (131424021), we get a palindrome (251848152).
The spelling of 120424131 in words is "one hundred twenty million, four hundred twenty-four thousand, one hundred thirty-one".
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