Base | Representation |
---|---|
bin | 10101100110111100… |
… | …110000110101111101 |
3 | 2012212222201211000202 |
4 | 111212330300311331 |
5 | 340004210304323 |
6 | 14354152133245 |
7 | 1450653045011 |
oct | 254674606575 |
9 | 65788654022 |
10 | 23202041213 |
11 | 9926a46a7a |
12 | 45b6397225 |
13 | 2259bac590 |
14 | 11a1682541 |
15 | 90be1dd28 |
hex | 566f30d7d |
23202041213 has 16 divisors (see below), whose sum is σ = 25469227056. Its totient is φ = 21007019520.
The previous prime is 23202041209. The next prime is 23202041243. The reversal of 23202041213 is 31214020232.
It can be written as a sum of positive squares in 8 ways, for example, as 8615923684 + 14586117529 = 92822^2 + 120773^2 .
It is a cyclic number.
It is not a de Polignac number, because 23202041213 - 22 = 23202041209 is a prime.
It is a super-2 number, since 2×232020412132 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23202041243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104231 + ... + 239307.
It is an arithmetic number, because the mean of its divisors is an integer number (1591826691).
Almost surely, 223202041213 is an apocalyptic number.
It is an amenable number.
23202041213 is a deficient number, since it is larger than the sum of its proper divisors (2267185843).
23202041213 is a wasteful number, since it uses less digits than its factorization.
23202041213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135344.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23202041213 its reverse (31214020232), we get a palindrome (54416061445).
The spelling of 23202041213 in words is "twenty-three billion, two hundred two million, forty-one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •