Base | Representation |
---|---|
bin | 11011100010100001111111… |
… | …000101111100011111011010 |
3 | 120212211222102200112210101200 |
4 | 123202201333011330133122 |
5 | 111333413142230341442 |
6 | 1105333504545055030 |
7 | 34340434500162636 |
oct | 3342417705743732 |
9 | 525758380483350 |
10 | 121120210012122 |
11 | 35657879a55462 |
12 | 11701aa9327476 |
13 | 52777822610a9 |
14 | 21ca36c689dc6 |
15 | e0093450834c |
hex | 6e287f17c7da |
121120210012122 has 48 divisors (see below), whose sum is σ = 264784927366440. Its totient is φ = 40010759663616.
The previous prime is 121120210012091. The next prime is 121120210012141. The reversal of 121120210012122 is 221210012021121.
121120210012122 is a `hidden beast` number, since 121 + 120 + 210 + 0 + 1 + 212 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 113053650063561 + 8066559948561 = 10632669^2 + 2840169^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 121120210012095 and 121120210012104.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11226154 + ... + 19190282.
Almost surely, 2121120210012122 is an apocalyptic number.
121120210012122 is an abundant number, since it is smaller than the sum of its proper divisors (143664717354318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121120210012122 is a wasteful number, since it uses less digits than its factorization.
121120210012122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7971727 (or 7971724 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 121120210012122 its reverse (221210012021121), we get a palindrome (342330222033243).
The spelling of 121120210012122 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred ten million, twelve thousand, one hundred twenty-two".
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