Base | Representation |
---|---|
bin | 100101011001010111… |
… | …1111110100111100111 |
3 | 21200021211022000101212 |
4 | 1022302233332213213 |
5 | 2303432413124111 |
6 | 100520530142035 |
7 | 5542054365503 |
oct | 1126257764747 |
9 | 250254260355 |
10 | 80308333031 |
11 | 31070a62273 |
12 | 1369312191b |
13 | 775ac8c7b4 |
14 | 3c5babb303 |
15 | 21505c698b |
hex | 12b2bfe9e7 |
80308333031 has 4 divisors (see below), whose sum is σ = 80311371000. Its totient is φ = 80305295064.
The previous prime is 80308333003. The next prime is 80308333043. The reversal of 80308333031 is 13033380308.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80308333031 is a prime.
It is a super-2 number, since 2×803083330312 (a number of 23 digits) 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 (80308333531) 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, 1478981 + ... + 1532318.
It is an arithmetic number, because the mean of its divisors is an integer number (20077842750).
Almost surely, 280308333031 is an apocalyptic number.
80308333031 is a deficient number, since it is larger than the sum of its proper divisors (3037969).
80308333031 is a wasteful number, since it uses less digits than its factorization.
80308333031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3037968.
The product of its (nonzero) digits is 15552, while the sum is 32.
The spelling of 80308333031 in words is "eighty billion, three hundred eight million, three hundred thirty-three thousand, thirty-one".
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