Base | Representation |
---|---|
bin | 1001100011001011111010… |
… | …11101100110000000110110 |
3 | 2202100121012001021000000202 |
4 | 10301211331131212000312 |
5 | 10223031402201120042 |
6 | 112355205251440502 |
7 | 4265133350640446 |
oct | 461457535460066 |
9 | 82317161230022 |
10 | 21000200020022 |
11 | 6767153489a33 |
12 | 2431b905b6132 |
13 | b94405b42a02 |
14 | 5285b5090126 |
15 | 2663e3e5c632 |
hex | 13197d766036 |
21000200020022 has 4 divisors (see below), whose sum is σ = 31500300030036. Its totient is φ = 10500100010010.
The previous prime is 21000200019991. The next prime is 21000200020081. The reversal of 21000200020022 is 22002000200012.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 21000200019985 and 21000200020012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250050005004 + ... + 5250050005007.
It is an arithmetic number, because the mean of its divisors is an integer number (7875075007509).
Almost surely, 221000200020022 is an apocalyptic number.
21000200020022 is a deficient number, since it is larger than the sum of its proper divisors (10500100010014).
21000200020022 is a wasteful number, since it uses less digits than its factorization.
21000200020022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10500100010013.
The product of its (nonzero) digits is 32, while the sum is 11.
Adding to 21000200020022 its reverse (22002000200012), we get a palindrome (43002200220034).
The spelling of 21000200020022 in words is "twenty-one trillion, two hundred million, twenty thousand, twenty-two".
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