Base | Representation |
---|---|
bin | 10010110100101011… |
… | …011000110101111101 |
3 | 1221011112211101122022 |
4 | 102310223120311331 |
5 | 312343023021023 |
6 | 13141310525525 |
7 | 1313564605166 |
oct | 226453306575 |
9 | 57145741568 |
10 | 20211142013 |
11 | 8631732157 |
12 | 3b008068a5 |
13 | 1ba136353a |
14 | d9a36876d |
15 | 7d45767c8 |
hex | 4b4ad8d7d |
20211142013 has 8 divisors (see below), whose sum is σ = 20903022336. Its totient is φ = 19521756000.
The previous prime is 20211141971. The next prime is 20211142097. The reversal of 20211142013 is 31024111202.
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 20211142013 - 26 = 20211141949 is a prime.
It is a super-2 number, since 2×202111420132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20211141982 and 20211142000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211142313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607088 + ... + 639513.
It is an arithmetic number, because the mean of its divisors is an integer number (2612877792).
Almost surely, 220211142013 is an apocalyptic number.
It is an amenable number.
20211142013 is a deficient number, since it is larger than the sum of its proper divisors (691880323).
20211142013 is a wasteful number, since it uses less digits than its factorization.
20211142013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1247155.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 20211142013 its reverse (31024111202), we get a palindrome (51235253215).
The spelling of 20211142013 in words is "twenty billion, two hundred eleven million, one hundred forty-two thousand, thirteen".
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