Base | Representation |
---|---|
bin | 110111111100001100… |
… | …0101010000100001000 |
3 | 102111002011021212211002 |
4 | 1233320120222010020 |
5 | 3432012110032222 |
6 | 131104303154132 |
7 | 11451652313420 |
oct | 1577030520410 |
9 | 374064255732 |
10 | 120131330312 |
11 | 46a47005574 |
12 | 1b3478a5948 |
13 | b43647a506 |
14 | 5b58971480 |
15 | 31d1798392 |
hex | 1bf862a108 |
120131330312 has 64 divisors (see below), whose sum is σ = 260535450240. Its totient is φ = 50864832000.
The previous prime is 120131330237. The next prime is 120131330317. The reversal of 120131330312 is 213033131021.
It is not an unprimeable number, because it can be changed into a prime (120131330317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2618612 + ... + 2664092.
It is an arithmetic number, because the mean of its divisors is an integer number (4070866410).
Almost surely, 2120131330312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 120131330312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130267725120).
120131330312 is an abundant number, since it is smaller than the sum of its proper divisors (140404119928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120131330312 is a wasteful number, since it uses less digits than its factorization.
120131330312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46062 (or 46058 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 120131330312 its reverse (213033131021), we get a palindrome (333164461333).
The spelling of 120131330312 in words is "one hundred twenty billion, one hundred thirty-one million, three hundred thirty thousand, three hundred twelve".
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