Base | Representation |
---|---|
bin | 100101011101000001… |
… | …0010000111000010011 |
3 | 21200121100022010210100 |
4 | 1022322002100320103 |
5 | 2304210211120211 |
6 | 100541014103443 |
7 | 5545100352531 |
oct | 1127202207023 |
9 | 250540263710 |
10 | 80430566931 |
11 | 31123a5a420 |
12 | 1370804ab83 |
13 | 777a3b9450 |
14 | 3c70019151 |
15 | 215b1be156 |
hex | 12ba090e13 |
80430566931 has 48 divisors (see below), whose sum is σ = 137135561472. Its totient is φ = 44782718400.
The previous prime is 80430566929. The next prime is 80430566963. The reversal of 80430566931 is 13966503408.
80430566931 is a `hidden beast` number, since 80 + 4 + 3 + 0 + 566 + 9 + 3 + 1 = 666.
It is not a de Polignac number, because 80430566931 - 21 = 80430566929 is a prime.
It is a super-2 number, since 2×804305669312 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (80430566971) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123466 + ... + 419648.
It is an arithmetic number, because the mean of its divisors is an integer number (2856990864).
Almost surely, 280430566931 is an apocalyptic number.
80430566931 is a deficient number, since it is larger than the sum of its proper divisors (56704994541).
80430566931 is a wasteful number, since it uses less digits than its factorization.
80430566931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296424 (or 296421 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 45.
The spelling of 80430566931 in words is "eighty billion, four hundred thirty million, five hundred sixty-six thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •