Base | Representation |
---|---|
bin | 11000000110110… |
… | …10000111110011 |
3 | 112002111211201100 |
4 | 30003122013303 |
5 | 403232020034 |
6 | 32022135443 |
7 | 5003561511 |
oct | 1403320763 |
9 | 462454640 |
10 | 202220019 |
11 | a4169991 |
12 | 57881583 |
13 | 32b83921 |
14 | 1cbdd4b1 |
15 | 12b47099 |
hex | c0da1f3 |
202220019 has 12 divisors (see below), whose sum is σ = 293566000. Its totient is φ = 134134704.
The previous prime is 202220009. The next prime is 202220027. The reversal of 202220019 is 910022202.
202220019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 202220019 - 27 = 202219891 is a prime.
It is a super-2 number, since 2×2022200192 = 81785872168720722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 202219983 and 202220010.
It is not an unprimeable number, because it can be changed into a prime (202220009) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54664 + ... + 58245.
Almost surely, 2202220019 is an apocalyptic number.
202220019 is a deficient number, since it is larger than the sum of its proper divisors (91345981).
202220019 is a wasteful number, since it uses less digits than its factorization.
202220019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113114 (or 113111 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 202220019 is about 14220.4085384352. The cubic root of 202220019 is about 586.9593821990.
The spelling of 202220019 in words is "two hundred two million, two hundred twenty thousand, nineteen".
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