Base | Representation |
---|---|
bin | 10010110100000010… |
… | …000100110110010101 |
3 | 1221010210110011221121 |
4 | 102310002010312111 |
5 | 312332234442323 |
6 | 13140242443541 |
7 | 1313403551344 |
oct | 226402046625 |
9 | 57123404847 |
10 | 20200312213 |
11 | 8626605604 |
12 | 3ab90635b1 |
13 | 1b9c041083 |
14 | d98b49b5b |
15 | 7d3637a5d |
hex | 4b4084d95 |
20200312213 has 16 divisors (see below), whose sum is σ = 21435771520. Its totient is φ = 18982506816.
The previous prime is 20200312201. The next prime is 20200312241. The reversal of 20200312213 is 31221300202.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20200312213 is a prime.
It is a super-2 number, since 2×202003122132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200312813) 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, 1823056 + ... + 1834102.
It is an arithmetic number, because the mean of its divisors is an integer number (1339735720).
Almost surely, 220200312213 is an apocalyptic number.
It is an amenable number.
20200312213 is a deficient number, since it is larger than the sum of its proper divisors (1235459307).
20200312213 is a wasteful number, since it uses less digits than its factorization.
20200312213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11836.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20200312213 its reverse (31221300202), we get a palindrome (51421612415).
The spelling of 20200312213 in words is "twenty billion, two hundred million, three hundred twelve thousand, two hundred thirteen".
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