Base | Representation |
---|---|
bin | 1110010100011… |
… | …00010100101111 |
3 | 22101000100021120 |
4 | 13022030110233 |
5 | 221222044211 |
6 | 15530232023 |
7 | 2655640005 |
oct | 712142457 |
9 | 271010246 |
10 | 120112431 |
11 | 6188927a |
12 | 34285613 |
13 | 1bb6615a |
14 | 11d48a75 |
15 | a828d06 |
hex | 728c52f |
120112431 has 8 divisors (see below), whose sum is σ = 160212864. Its totient is φ = 80043480.
The previous prime is 120112387. The next prime is 120112457. The reversal of 120112431 is 134211021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120112431 - 27 = 120112303 is a prime.
It is a super-2 number, since 2×1201124312 = 28853992161459522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120112431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120114431) 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, 3300 + ... + 15846.
It is an arithmetic number, because the mean of its divisors is an integer number (20026608).
Almost surely, 2120112431 is an apocalyptic number.
120112431 is a deficient number, since it is larger than the sum of its proper divisors (40100433).
120112431 is a wasteful number, since it uses less digits than its factorization.
120112431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15741.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 120112431 is about 10959.5816982219. The cubic root of 120112431 is about 493.3964104985.
Adding to 120112431 its reverse (134211021), we get a palindrome (254323452).
The spelling of 120112431 in words is "one hundred twenty million, one hundred twelve thousand, four hundred thirty-one".
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