Base | Representation |
---|---|
bin | 11000000110101… |
… | …01100001111101 |
3 | 112002110212220211 |
4 | 30003111201331 |
5 | 403230414323 |
6 | 32021512421 |
7 | 5003452624 |
oct | 1403254175 |
9 | 462425824 |
10 | 202201213 |
11 | a4156845 |
12 | 57872711 |
13 | 32b781b6 |
14 | 1cbd66bb |
15 | 12b4170d |
hex | c0d587d |
202201213 has 8 divisors (see below), whose sum is σ = 216061560. Its totient is φ = 188559360.
The previous prime is 202201199. The next prime is 202201261. The reversal of 202201213 is 312102202.
202201213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 51451929 + 150749284 = 7173^2 + 12278^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 202201213 - 213 = 202193021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 202201193 and 202201202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202201273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52708 + ... + 56413.
It is an arithmetic number, because the mean of its divisors is an integer number (27007695).
Almost surely, 2202201213 is an apocalyptic number.
It is an amenable number.
202201213 is a deficient number, since it is larger than the sum of its proper divisors (13860347).
202201213 is a wasteful number, since it uses less digits than its factorization.
202201213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109247.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 202201213 is about 14219.7472903002. The cubic root of 202201213 is about 586.9411863408.
Adding to 202201213 its reverse (312102202), we get a palindrome (514303415).
The spelling of 202201213 in words is "two hundred two million, two hundred one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •