Base | Representation |
---|---|
bin | 10001110010011101111… |
… | …011111011010000100100 |
3 | 11022212021120201200110112 |
4 | 101302131323323100210 |
5 | 130012004113203241 |
6 | 2333323332312152 |
7 | 154213501222400 |
oct | 21623573732044 |
9 | 4285246650415 |
10 | 1222420444196 |
11 | 431475521716 |
12 | 178ab6172658 |
13 | 8b373588933 |
14 | 43246072100 |
15 | 21be81ba1eb |
hex | 11c9defb424 |
1222420444196 has 36 divisors (see below), whose sum is σ = 2488562841996. Its totient is φ = 523880985600.
The previous prime is 1222420444183. The next prime is 1222420444243. The reversal of 1222420444196 is 6914440242221.
It can be written as a sum of positive squares in 2 ways, for example, as 1087878204196 + 134542240000 = 1043014^2 + 366800^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12841736 + ... + 12936576.
It is an arithmetic number, because the mean of its divisors is an integer number (69126745611).
Almost surely, 21222420444196 is an apocalyptic number.
It is an amenable number.
1222420444196 is an abundant number, since it is smaller than the sum of its proper divisors (1266142397800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222420444196 is a wasteful number, since it uses less digits than its factorization.
1222420444196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160620 (or 160611 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 41.
The spelling of 1222420444196 in words is "one trillion, two hundred twenty-two billion, four hundred twenty million, four hundred forty-four thousand, one hundred ninety-six".
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