Base | Representation |
---|---|
bin | 10100101011010110… |
… | …010011100110010101 |
3 | 2010022022011202100001 |
4 | 110223112103212111 |
5 | 330432214313323 |
6 | 14111032051301 |
7 | 1414121525542 |
oct | 245326234625 |
9 | 63268152301 |
10 | 22202104213 |
11 | 9463566563 |
12 | 4377533b31 |
13 | 212a994c93 |
14 | 110894dbc9 |
15 | 89e2513ad |
hex | 52b593995 |
22202104213 has 4 divisors (see below), whose sum is σ = 22203552748. Its totient is φ = 22200655680.
The previous prime is 22202104201. The next prime is 22202104271. The reversal of 22202104213 is 31240120222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31240120222 = 2 ⋅15620060111.
It can be written as a sum of positive squares in 2 ways, for example, as 5772504529 + 16429599684 = 75977^2 + 128178^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22202104213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22202104283) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701028 + ... + 732013.
It is an arithmetic number, because the mean of its divisors is an integer number (5550888187).
Almost surely, 222202104213 is an apocalyptic number.
It is an amenable number.
22202104213 is a deficient number, since it is larger than the sum of its proper divisors (1448535).
22202104213 is a wasteful number, since it uses less digits than its factorization.
22202104213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1448534.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 22202104213 its reverse (31240120222), we get a palindrome (53442224435).
The spelling of 22202104213 in words is "twenty-two billion, two hundred two million, one hundred four thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •