Base | Representation |
---|---|
bin | 100101011001010110… |
… | …1010010101110000001 |
3 | 21200021202222020120000 |
4 | 1022302231102232001 |
5 | 2303432223111204 |
6 | 100520503110213 |
7 | 5542045403643 |
oct | 1126255225601 |
9 | 250252866500 |
10 | 80307628929 |
11 | 31070621270 |
12 | 13692a42369 |
13 | 775aaa4178 |
14 | 3c5b976893 |
15 | 21504d8039 |
hex | 12b2b52b81 |
80307628929 has 20 divisors (see below), whose sum is σ = 130871693040. Its totient is φ = 48671289720.
The previous prime is 80307628879. The next prime is 80307628949. The reversal of 80307628929 is 92982670308.
It is a happy number.
80307628929 is a `hidden beast` number, since 8 + 0 + 3 + 0 + 7 + 628 + 9 + 2 + 9 = 666.
It is not a de Polignac number, because 80307628929 - 28 = 80307628673 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80307628949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45065119 + ... + 45066900.
It is an arithmetic number, because the mean of its divisors is an integer number (6543584652).
Almost surely, 280307628929 is an apocalyptic number.
It is an amenable number.
80307628929 is a deficient number, since it is larger than the sum of its proper divisors (50564064111).
80307628929 is a wasteful number, since it uses less digits than its factorization.
80307628929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90132042 (or 90132033 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The spelling of 80307628929 in words is "eighty billion, three hundred seven million, six hundred twenty-eight thousand, nine hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •