Base | Representation |
---|---|
bin | 10010101001010011… |
… | …000011000110100101 |
3 | 1220200020120011002021 |
4 | 102221103003012211 |
5 | 312000133242013 |
6 | 13110330343141 |
7 | 1306055665255 |
oct | 225123030645 |
9 | 56606504067 |
10 | 20020212133 |
11 | 8543984769 |
12 | 3a6888aab1 |
13 | 1b7093378c |
14 | d7cc67965 |
15 | 7c290ea8d |
hex | 4a94c31a5 |
20020212133 has 4 divisors (see below), whose sum is σ = 20020503328. Its totient is φ = 20019920940.
The previous prime is 20020212097. The next prime is 20020212169. The reversal of 20020212133 is 33121202002.
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, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (20020212097) and next prime (20020212169).
It is a cyclic number.
It is not a de Polignac number, because 20020212133 - 29 = 20020211621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020312133) 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, 21310 + ... + 201232.
It is an arithmetic number, because the mean of its divisors is an integer number (5005125832).
Almost surely, 220020212133 is an apocalyptic number.
It is an amenable number.
20020212133 is a deficient number, since it is larger than the sum of its proper divisors (291195).
20020212133 is a wasteful number, since it uses less digits than its factorization.
20020212133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291194.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20020212133 its reverse (33121202002), we get a palindrome (53141414135).
The spelling of 20020212133 in words is "twenty billion, twenty million, two hundred twelve thousand, one hundred thirty-three".
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