Base | Representation |
---|---|
bin | 110111111011111000… |
… | …1101101010101110000 |
3 | 102111001110002011001112 |
4 | 1233313301231111300 |
5 | 3432002001320422 |
6 | 131103300252452 |
7 | 11451466450160 |
oct | 1576761552560 |
9 | 374043064045 |
10 | 120121120112 |
11 | 46a41271494 |
12 | 1b3443a1128 |
13 | b434314086 |
14 | 5b574745a0 |
15 | 31d092cee2 |
hex | 1bf7c6d570 |
120121120112 has 20 divisors (see below), whose sum is σ = 265982480496. Its totient is φ = 51480480000.
The previous prime is 120121120109. The next prime is 120121120153. The reversal of 120121120112 is 211021121021.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536254889 + ... + 536255112.
Almost surely, 2120121120112 is an apocalyptic number.
It is an amenable number.
120121120112 is an abundant number, since it is smaller than the sum of its proper divisors (145861360384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120121120112 is a wasteful number, since it uses less digits than its factorization.
120121120112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1072510016 (or 1072510010 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 120121120112 its reverse (211021121021), we get a palindrome (331142241133).
Subtracting 120121120112 from its reverse (211021121021), we obtain a palindrome (90900000909).
The spelling of 120121120112 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twelve".
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