Base | Representation |
---|---|
bin | 111000111010011100… |
… | …1001000111100110101 |
3 | 102200110201220111001201 |
4 | 1301310321020330311 |
5 | 4000301334021323 |
6 | 132051443252501 |
7 | 11554505505430 |
oct | 1616471107465 |
9 | 380421814051 |
10 | 122220220213 |
11 | 47919145463 |
12 | 1b82b37a131 |
13 | b6aa178440 |
14 | 5cb6168817 |
15 | 32a4d688ad |
hex | 1c74e48f35 |
122220220213 has 16 divisors (see below), whose sum is σ = 150454555776. Its totient is φ = 96682639680.
The previous prime is 122220220201. The next prime is 122220220271. The reversal of 122220220213 is 312022022221.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122220220213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122220220313) 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, 340695 + ... + 600427.
It is an arithmetic number, because the mean of its divisors is an integer number (9403409736).
Almost surely, 2122220220213 is an apocalyptic number.
122220220213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
122220220213 is a deficient number, since it is larger than the sum of its proper divisors (28234335563).
122220220213 is a wasteful number, since it uses less digits than its factorization.
122220220213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264924.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 122220220213 its reverse (312022022221), we get a palindrome (434242242434).
The spelling of 122220220213 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, two hundred thirteen".
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