Base | Representation |
---|---|
bin | 10001110000010100111… |
… | …100000110000110010000 |
3 | 11022122100101211010111002 |
4 | 101300110330012012100 |
5 | 124442302213310000 |
6 | 2332303305041132 |
7 | 154102521652145 |
oct | 21602474060620 |
9 | 4278311733432 |
10 | 1220122010000 |
11 | 4304a6080023 |
12 | 1785744861a8 |
13 | 8b0983413ba |
14 | 430a8ad03cc |
15 | 21b115078d5 |
hex | 11c14f06190 |
1220122010000 has 100 divisors (see below), whose sum is σ = 3009775260492. Its totient is φ = 478840128000.
The previous prime is 1220122009987. The next prime is 1220122010039. The reversal of 1220122010000 is 102210221.
It is a happy number.
It can be written as a sum of positive squares in 10 ways, for example, as 833576304016 + 386545705984 = 913004^2 + 621728^2 .
It is a tau number, because it is divible by the number of its divisors (100).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 621059 + ... + 1681058.
Almost surely, 21220122010000 is an apocalyptic number.
1220122010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1220122010000 is an abundant number, since it is smaller than the sum of its proper divisors (1789653250492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220122010000 is an equidigital number, since it uses as much as digits as its factorization.
1220122010000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2302198 (or 2302177 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 1220122010000 its reverse (102210221), we get a palindrome (1220224220221).
The spelling of 1220122010000 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, ten thousand".
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