Base | Representation |
---|---|
bin | 110111111001001101… |
… | …0110100000001110000 |
3 | 102110211011221100220100 |
4 | 1233302122310001300 |
5 | 3431310443411422 |
6 | 131050325512400 |
7 | 11446325432061 |
oct | 1576232640160 |
9 | 373734840810 |
10 | 120031232112 |
11 | 469a5557290 |
12 | 1b31a272700 |
13 | b41b8010cc |
14 | 5b49556568 |
15 | 31c7ac47ac |
hex | 1bf26b4070 |
120031232112 has 120 divisors (see below), whose sum is σ = 369884361600. Its totient is φ = 36033114240.
The previous prime is 120031232059. The next prime is 120031232119. The reversal of 120031232112 is 211232130021.
120031232112 is a `hidden beast` number, since 1 + 20 + 0 + 312 + 321 + 12 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120031232119) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184612 + ... + 523587.
It is an arithmetic number, because the mean of its divisors is an integer number (3082369680).
Almost surely, 2120031232112 is an apocalyptic number.
120031232112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120031232112 is an abundant number, since it is smaller than the sum of its proper divisors (249853129488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120031232112 is a wasteful number, since it uses less digits than its factorization.
120031232112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708331 (or 708322 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 120031232112 its reverse (211232130021), we get a palindrome (331263362133).
The spelling of 120031232112 in words is "one hundred twenty billion, thirty-one million, two hundred thirty-two thousand, one hundred twelve".
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