Base | Representation |
---|---|
bin | 1001100011001… |
… | …10110001000001 |
3 | 12120202010222020 |
4 | 10301212301001 |
5 | 131002101310 |
6 | 11541032053 |
7 | 1661642511 |
oct | 461466101 |
9 | 176663866 |
10 | 80112705 |
11 | 41248952 |
12 | 229b5629 |
13 | 1379c78a |
14 | a8d5841 |
15 | 7077170 |
hex | 4c66c41 |
80112705 has 16 divisors (see below), whose sum is σ = 128315904. Its totient is φ = 42681600.
The previous prime is 80112701. The next prime is 80112709. The reversal of 80112705 is 50721108.
It is an interprime number because it is at equal distance from previous prime (80112701) and next prime (80112709).
It is not a de Polignac number, because 80112705 - 22 = 80112701 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80112701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15792 + ... + 20238.
It is an arithmetic number, because the mean of its divisors is an integer number (8019744).
Almost surely, 280112705 is an apocalyptic number.
It is an amenable number.
80112705 is a deficient number, since it is larger than the sum of its proper divisors (48203199).
80112705 is a wasteful number, since it uses less digits than its factorization.
80112705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5656.
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 80112705 is about 8950.5700935750. The cubic root of 80112705 is about 431.0891893595.
The spelling of 80112705 in words is "eighty million, one hundred twelve thousand, seven hundred five".
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