Base | Representation |
---|---|
bin | 10010110000000110… |
… | …011000101001100111 |
3 | 1220222012022002112012 |
4 | 102300012120221213 |
5 | 312213342124111 |
6 | 13125524344435 |
7 | 1311643002251 |
oct | 226006305147 |
9 | 56865262465 |
10 | 20134333031 |
11 | 85a234045a |
12 | 3a9ab4511b |
13 | 1b8b47c737 |
14 | d90092cd1 |
15 | 7cc95348b |
hex | 4b0198a67 |
20134333031 has 4 divisors (see below), whose sum is σ = 20678504232. Its totient is φ = 19590161832.
The previous prime is 20134333019. The next prime is 20134333049. The reversal of 20134333031 is 13033343102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20134333031 - 214 = 20134316647 is a prime.
It is a super-2 number, since 2×201343330312 (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 = 20134332988 and 20134333006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20134333931) 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, 272085545 + ... + 272085618.
It is an arithmetic number, because the mean of its divisors is an integer number (5169626058).
Almost surely, 220134333031 is an apocalyptic number.
20134333031 is a deficient number, since it is larger than the sum of its proper divisors (544171201).
20134333031 is an equidigital number, since it uses as much as digits as its factorization.
20134333031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 544171200.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 20134333031 its reverse (13033343102), we get a palindrome (33167676133).
The spelling of 20134333031 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-three thousand, thirty-one".
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