Base | Representation |
---|---|
bin | 1001100100000111100100… |
… | …01000001111111101010000 |
3 | 2202110122211201111201211000 |
4 | 10302003302020033331100 |
5 | 10224042442331130000 |
6 | 112422023000422000 |
7 | 4300346033245614 |
oct | 462036210177520 |
9 | 82418751451730 |
10 | 21032222130000 |
11 | 67797960a1134 |
12 | 2438228777900 |
13 | b9743a123a93 |
14 | 529d71cab344 |
15 | 26716a365000 |
hex | 1320f220ff50 |
21032222130000 has 200 divisors, whose sum is σ = 75438686892800. Its totient is φ = 5608592496000.
The previous prime is 21032222129999. The next prime is 21032222130019. The reversal of 21032222130000 is 3122223012.
21032222130000 is a `hidden beast` number, since 21 + 0 + 322 + 2 + 21 + 300 + 0 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (200).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38678560 + ... + 39218559.
It is an arithmetic number, because the mean of its divisors is an integer number (377193434464).
Almost surely, 221032222130000 is an apocalyptic number.
21032222130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21032222130000 is an abundant number, since it is smaller than the sum of its proper divisors (54406464762800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21032222130000 is an equidigital number, since it uses as much as digits as its factorization.
21032222130000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77897156 (or 77897129 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 21032222130000 its reverse (3122223012), we get a palindrome (21035344353012).
The spelling of 21032222130000 in words is "twenty-one trillion, thirty-two billion, two hundred twenty-two million, one hundred thirty thousand".
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