Base | Representation |
---|---|
bin | 1001101001101001000011… |
… | …10010001000101000001010 |
3 | 2210010210200200102120201220 |
4 | 10310310201302020220022 |
5 | 10240200124022401302 |
6 | 113045130255222510 |
7 | 4320144643236204 |
oct | 464644162105012 |
9 | 83123620376656 |
10 | 21222000200202 |
11 | 684222194716a |
12 | 2468b70b17a36 |
13 | bac2c2790889 |
14 | 535216579774 |
15 | 26c0761de4bc |
hex | 134d21c88a0a |
21222000200202 has 64 divisors (see below), whose sum is σ = 44728192272000. Its totient is φ = 6694143844608.
The previous prime is 21222000200119. The next prime is 21222000200207. The reversal of 21222000200202 is 20200200022212.
It is not an unprimeable number, because it can be changed into a prime (21222000200207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395691924 + ... + 395745552.
It is an arithmetic number, because the mean of its divisors is an integer number (698878004250).
Almost surely, 221222000200202 is an apocalyptic number.
21222000200202 is an abundant number, since it is smaller than the sum of its proper divisors (23506192071798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21222000200202 is a wasteful number, since it uses less digits than its factorization.
21222000200202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57495.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 21222000200202 its reverse (20200200022212), we get a palindrome (41422200222414).
The spelling of 21222000200202 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thousand, two hundred two".
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