Base | Representation |
---|---|
bin | 110111111110111010… |
… | …0001101101101111000 |
3 | 102111022111201202020112 |
4 | 1233331310031231320 |
5 | 3432203421042222 |
6 | 131121320043452 |
7 | 11454136611302 |
oct | 1577564155570 |
9 | 374274652215 |
10 | 120222440312 |
11 | 46a93484897 |
12 | 1b372303588 |
13 | b44c2ca760 |
14 | 5b66aca972 |
15 | 31d9793be2 |
hex | 1bfdd0db78 |
120222440312 has 128 divisors (see below), whose sum is σ = 250461288000. Its totient is φ = 53762641920.
The previous prime is 120222440287. The next prime is 120222440323. The reversal of 120222440312 is 213044222021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108405614 + ... + 108406722.
Almost surely, 2120222440312 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 120222440312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125230644000).
120222440312 is an abundant number, since it is smaller than the sum of its proper divisors (130238847688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120222440312 is a wasteful number, since it uses less digits than its factorization.
120222440312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1441 (or 1437 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 120222440312 its reverse (213044222021), we get a palindrome (333266662333).
The spelling of 120222440312 in words is "one hundred twenty billion, two hundred twenty-two million, four hundred forty thousand, three hundred twelve".
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