Base | Representation |
---|---|
bin | 10010110000000101… |
… | …111011101001010111 |
3 | 1220222012002001120012 |
4 | 102300011323221113 |
5 | 312213324323411 |
6 | 13125522030435 |
7 | 1311641666015 |
oct | 226005735127 |
9 | 56865061505 |
10 | 20134214231 |
11 | 85a226a17a |
12 | 3a9aaa841b |
13 | 1b8b43a641 |
14 | d900618b5 |
15 | 7cc92d18b |
hex | 4b017ba57 |
20134214231 has 16 divisors (see below), whose sum is σ = 21523986144. Its totient is φ = 18767529984.
The previous prime is 20134214227. The next prime is 20134214249. The reversal of 20134214231 is 13241243102.
It is not a de Polignac number, because 20134214231 - 22 = 20134214227 is a prime.
It is a super-2 number, since 2×201342142312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20134214197 and 20134214206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20134214251) 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, 3064556 + ... + 3071118.
It is an arithmetic number, because the mean of its divisors is an integer number (1345249134).
Almost surely, 220134214231 is an apocalyptic number.
20134214231 is a deficient number, since it is larger than the sum of its proper divisors (1389771913).
20134214231 is a wasteful number, since it uses less digits than its factorization.
20134214231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8290.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 20134214231 its reverse (13241243102), we get a palindrome (33375457333).
The spelling of 20134214231 in words is "twenty billion, one hundred thirty-four million, two hundred fourteen thousand, two hundred thirty-one".
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