Base | Representation |
---|---|
bin | 1100101100000110… |
… | …01000110001100101 |
3 | 122120202200100122122 |
4 | 12112003020301211 |
5 | 102422431401234 |
6 | 3043552435325 |
7 | 330550131026 |
oct | 62603106145 |
9 | 18522610578 |
10 | 6812372069 |
11 | 2986451a68 |
12 | 13a1548b45 |
13 | 8474910b9 |
14 | 488a78c4d |
15 | 29d10592e |
hex | 1960c8c65 |
6812372069 has 6 divisors (see below), whose sum is σ = 6861753990. Its totient is φ = 6763343016.
The previous prime is 6812372053. The next prime is 6812372101. The reversal of 6812372069 is 9602732186.
It can be written as a sum of positive squares in only one way, i.e., 6725640100 + 86731969 = 82010^2 + 9313^2 .
It is not a de Polignac number, because 6812372069 - 24 = 6812372053 is a prime.
It is a super-2 number, since 2×68123720692 = 92816826412982681522, which 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 (6812372269) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156974 + ... + 195615.
It is an arithmetic number, because the mean of its divisors is an integer number (1143625665).
Almost surely, 26812372069 is an apocalyptic number.
It is an amenable number.
6812372069 is a deficient number, since it is larger than the sum of its proper divisors (49381921).
6812372069 is an equidigital number, since it uses as much as digits as its factorization.
6812372069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352867 (or 352728 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 6812372069 is about 82537.0951088055. The cubic root of 6812372069 is about 1895.6847653026.
The spelling of 6812372069 in words is "six billion, eight hundred twelve million, three hundred seventy-two thousand, sixty-nine".
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