Base | Representation |
---|---|
bin | 10001110010010010101… |
… | …101001001111111101100 |
3 | 11022211210110011220012110 |
4 | 101302102231021333230 |
5 | 130011112344214040 |
6 | 2333252522004020 |
7 | 154206022531461 |
oct | 21622255117754 |
9 | 4284713156173 |
10 | 1222232023020 |
11 | 431389128038 |
12 | 178a63046610 |
13 | 8b343526a08 |
14 | 43229025668 |
15 | 21bd689b980 |
hex | 11c92b49fec |
1222232023020 has 96 divisors (see below), whose sum is σ = 3647022962688. Its totient is φ = 305124573952.
The previous prime is 1222232023013. The next prime is 1222232023073. The reversal of 1222232023020 is 203202322221.
It is a super-2 number, since 2×12222320230202 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9357219 + ... + 9486938.
It is an arithmetic number, because the mean of its divisors is an integer number (37989822528).
Almost surely, 21222232023020 is an apocalyptic number.
1222232023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1222232023020 is an abundant number, since it is smaller than the sum of its proper divisors (2424790939668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222232023020 is a wasteful number, since it uses less digits than its factorization.
1222232023020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18844239 (or 18844237 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 1222232023020 its reverse (203202322221), we get a palindrome (1425434345241).
The spelling of 1222232023020 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-two million, twenty-three thousand, twenty".
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