Base | Representation |
---|---|
bin | 1001001001101010011011… |
… | …00000011011111000100101 |
3 | 2122020202112221122021212020 |
4 | 10210311031200123320211 |
5 | 10114144324331131323 |
6 | 110444251452013353 |
7 | 4144566126604626 |
oct | 444651540337045 |
9 | 78222487567766 |
10 | 20123222130213 |
11 | 6459235310294 |
12 | 2310022461259 |
13 | b2c7c4bb7817 |
14 | 4d7d7d4ada4d |
15 | 24d6b7b5bae3 |
hex | 124d4d81be25 |
20123222130213 has 16 divisors (see below), whose sum is σ = 26896158643200. Its totient is φ = 13382886282480.
The previous prime is 20123222130191. The next prime is 20123222130217. The reversal of 20123222130213 is 31203122232102.
It is not a de Polignac number, because 20123222130213 - 25 = 20123222130181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20123222130217) 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, 29858628 + ... + 30525138.
It is an arithmetic number, because the mean of its divisors is an integer number (1681009915200).
Almost surely, 220123222130213 is an apocalyptic number.
It is an amenable number.
20123222130213 is a deficient number, since it is larger than the sum of its proper divisors (6772936512987).
20123222130213 is a wasteful number, since it uses less digits than its factorization.
20123222130213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 690952.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 20123222130213 its reverse (31203122232102), we get a palindrome (51326344362315).
The spelling of 20123222130213 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty-two million, one hundred thirty thousand, two hundred thirteen".
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