Base | Representation |
---|---|
bin | 10010110100000101… |
… | …100000000010100111 |
3 | 1221010212010210111211 |
4 | 102310011200002213 |
5 | 312333002210043 |
6 | 13140314012251 |
7 | 1313414311021 |
oct | 226405400247 |
9 | 57125123454 |
10 | 20201210023 |
11 | 86270690a5 |
12 | 3ab9417087 |
13 | 1b9c296917 |
14 | d98d01011 |
15 | 7d3763a9d |
hex | 4b41600a7 |
20201210023 has 8 divisors (see below), whose sum is σ = 20275123392. Its totient is φ = 20127399936.
The previous prime is 20201209981. The next prime is 20201210033. The reversal of 20201210023 is 32001210202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20201210023 - 225 = 20167655591 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20201209985 and 20201210012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20201210033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377511 + ... + 427687.
It is an arithmetic number, because the mean of its divisors is an integer number (2534390424).
Almost surely, 220201210023 is an apocalyptic number.
20201210023 is a deficient number, since it is larger than the sum of its proper divisors (73913369).
20201210023 is a wasteful number, since it uses less digits than its factorization.
20201210023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51641.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20201210023 its reverse (32001210202), we get a palindrome (52202420225).
The spelling of 20201210023 in words is "twenty billion, two hundred one million, two hundred ten thousand, twenty-three".
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