Base | Representation |
---|---|
bin | 1010100110011111011… |
… | …1010000001111000101 |
3 | 122102010000220202210102 |
4 | 2221213313100033011 |
5 | 10441001034222401 |
6 | 215400410533445 |
7 | 16105244231345 |
oct | 2514767201705 |
9 | 572100822712 |
10 | 182131164101 |
11 | 70272326327 |
12 | 2b36b437285 |
13 | 142373241b3 |
14 | 8b5ac78d25 |
15 | 4b0e87956b |
hex | 2a67dd03c5 |
182131164101 has 4 divisors (see below), whose sum is σ = 188411549100. Its totient is φ = 175850779104.
The previous prime is 182131164053. The next prime is 182131164107. The reversal of 182131164101 is 101461131281.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 126986035201 + 55145128900 = 356351^2 + 234830^2 .
It is a cyclic number.
It is not a de Polignac number, because 182131164101 - 26 = 182131164037 is a prime.
It is a super-2 number, since 2×1821311641012 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 6280384969 = 182131164101 / (1 + 8 + 2 + 1 + 3 + 1 + 1 + 6 + 4 + 1 + 0 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (182131164107) 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, 3140192456 + ... + 3140192513.
It is an arithmetic number, because the mean of its divisors is an integer number (47102887275).
Almost surely, 2182131164101 is an apocalyptic number.
It is an amenable number.
182131164101 is a deficient number, since it is larger than the sum of its proper divisors (6280384999).
182131164101 is an equidigital number, since it uses as much as digits as its factorization.
182131164101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6280384998.
The product of its (nonzero) digits is 1152, while the sum is 29.
Adding to 182131164101 its reverse (101461131281), we get a palindrome (283592295382).
The spelling of 182131164101 in words is "one hundred eighty-two billion, one hundred thirty-one million, one hundred sixty-four thousand, one hundred one".
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