Base | Representation |
---|---|
bin | 1011110001010101001… |
… | …1111001011000010100 |
3 | 201022222010111012000112 |
4 | 2330111103321120110 |
5 | 11303122034001322 |
6 | 232522105502152 |
7 | 20416140066200 |
oct | 2742523713024 |
9 | 638863435015 |
10 | 202221000212 |
11 | 78841534570 |
12 | 332374a1958 |
13 | 160b94c429a |
14 | 9b05067b00 |
15 | 53d843d5e2 |
hex | 2f154f9614 |
202221000212 has 36 divisors (see below), whose sum is σ = 449088200064. Its totient is φ = 78787401840.
The previous prime is 202221000199. The next prime is 202221000217. The reversal of 202221000212 is 212000122202.
202221000212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202221000217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46895108 + ... + 46899419.
It is an arithmetic number, because the mean of its divisors is an integer number (12474672224).
Almost surely, 2202221000212 is an apocalyptic number.
202221000212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
202221000212 is an abundant number, since it is smaller than the sum of its proper divisors (246867199852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202221000212 is a wasteful number, since it uses less digits than its factorization.
202221000212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93794556 (or 93794547 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 202221000212 its reverse (212000122202), we get a palindrome (414221122414).
The spelling of 202221000212 in words is "two hundred two billion, two hundred twenty-one million, two hundred twelve", and thus it is an aban number.
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