Base | Representation |
---|---|
bin | 10010101110110101… |
… | …110100001110110101 |
3 | 1220220201120001101102 |
4 | 102232311310032311 |
5 | 312142440243331 |
6 | 13123451535445 |
7 | 1311265325015 |
oct | 225665641665 |
9 | 56821501342 |
10 | 20113212341 |
11 | 8591425142 |
12 | 3a93a5a585 |
13 | 1b86c961a1 |
14 | d8b355c45 |
15 | 7cab804cb |
hex | 4aed743b5 |
20113212341 has 4 divisors (see below), whose sum is σ = 20114981472. Its totient is φ = 20111443212.
The previous prime is 20113212323. The next prime is 20113212367. The reversal of 20113212341 is 14321231102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20113212341 - 210 = 20113211317 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20113212391) 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, 867401 + ... + 890286.
It is an arithmetic number, because the mean of its divisors is an integer number (5028745368).
Almost surely, 220113212341 is an apocalyptic number.
It is an amenable number.
20113212341 is a deficient number, since it is larger than the sum of its proper divisors (1769131).
20113212341 is a wasteful number, since it uses less digits than its factorization.
20113212341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769130.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 20113212341 its reverse (14321231102), we get a palindrome (34434443443).
The spelling of 20113212341 in words is "twenty billion, one hundred thirteen million, two hundred twelve thousand, three hundred forty-one".
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