Base | Representation |
---|---|
bin | 110111111000101001… |
… | …0101000011000010000 |
3 | 102110202212100000200120 |
4 | 1233301102220120100 |
5 | 3431241122410112 |
6 | 131044412150240 |
7 | 11446005542466 |
oct | 1576122503020 |
9 | 373685300616 |
10 | 120012310032 |
11 | 469959028aa |
12 | 1b313a68380 |
13 | b417907504 |
14 | 5b46c2c836 |
15 | 31c60d7e8c |
hex | 1bf14a8610 |
120012310032 has 20 divisors (see below), whose sum is σ = 310031801040. Its totient is φ = 40004103328.
The previous prime is 120012310027. The next prime is 120012310043. The reversal of 120012310032 is 230013210021.
It is a junction number, because it is equal to n+sod(n) for n = 120012309993 and 120012310020.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250128182 + ... + 1250128277.
It is an arithmetic number, because the mean of its divisors is an integer number (15501590052).
Almost surely, 2120012310032 is an apocalyptic number.
120012310032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120012310032 is an abundant number, since it is smaller than the sum of its proper divisors (190019491008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120012310032 is a wasteful number, since it uses less digits than its factorization.
120012310032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500256470 (or 2500256464 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 120012310032 its reverse (230013210021), we get a palindrome (350025520053).
The spelling of 120012310032 in words is "one hundred twenty billion, twelve million, three hundred ten thousand, thirty-two".
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