Base | Representation |
---|---|
bin | 11110111000010111101… |
… | …011011010110010100000 |
3 | 21111212112120102120010122 |
4 | 132320113223122302200 |
5 | 234232040420231422 |
6 | 4302515005415412 |
7 | 306213614514101 |
oct | 36702753326240 |
9 | 7455476376118 |
10 | 2122111102112 |
11 | 748a894371a1 |
12 | 2a334286a568 |
13 | 125163c25991 |
14 | 749d43323a8 |
15 | 3a30348ed42 |
hex | 1ee17adaca0 |
2122111102112 has 24 divisors (see below), whose sum is σ = 4246396502292. Its totient is φ = 1043661196800.
The previous prime is 2122111102103. The next prime is 2122111102117. The reversal of 2122111102112 is 2112011112212.
It can be written as a sum of positive squares in 2 ways, for example, as 2087319899536 + 34791202576 = 1444756^2 + 186524^2 .
It is not an unprimeable number, because it can be changed into a prime (2122111102117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543571589 + ... + 543575492.
Almost surely, 22122111102112 is an apocalyptic number.
It is an amenable number.
2122111102112 is an abundant number, since it is smaller than the sum of its proper divisors (2124285400180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122111102112 is a wasteful number, since it uses less digits than its factorization.
2122111102112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1087147152 (or 1087147144 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 2122111102112 its reverse (2112011112212), we get a palindrome (4234122214324).
The spelling of 2122111102112 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred twelve".
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