Base | Representation |
---|---|
bin | 100101101000111110… |
… | …0111110100011101011 |
3 | 21201122022100122012111 |
4 | 1023101330332203223 |
5 | 2311020422144342 |
6 | 101044510423151 |
7 | 5561042153425 |
oct | 1132174764353 |
9 | 251568318174 |
10 | 80831834347 |
11 | 3130a510590 |
12 | 137ba501ab7 |
13 | 78125828a4 |
14 | 3cab42d815 |
15 | 2181533217 |
hex | 12d1f3e8eb |
80831834347 has 4 divisors (see below), whose sum is σ = 88180182936. Its totient is φ = 73483485760.
The previous prime is 80831834341. The next prime is 80831834371. The reversal of 80831834347 is 74343813808.
It is a happy number.
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 80831834347 - 27 = 80831834219 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80831834347.
It is not an unprimeable number, because it can be changed into a prime (80831834341) 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, 3674174278 + ... + 3674174299.
It is an arithmetic number, because the mean of its divisors is an integer number (22045045734).
Almost surely, 280831834347 is an apocalyptic number.
80831834347 is a deficient number, since it is larger than the sum of its proper divisors (7348348589).
80831834347 is a wasteful number, since it uses less digits than its factorization.
80831834347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7348348588.
The product of its (nonzero) digits is 1548288, while the sum is 49.
The spelling of 80831834347 in words is "eighty billion, eight hundred thirty-one million, eight hundred thirty-four thousand, three hundred forty-seven".
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