Base | Representation |
---|---|
bin | 1001100011001… |
… | …11000001111001 |
3 | 12120202012110020 |
4 | 10301213001321 |
5 | 131002120120 |
6 | 11541041053 |
7 | 1661645613 |
oct | 461470171 |
9 | 176665406 |
10 | 80113785 |
11 | 41249744 |
12 | 229b6189 |
13 | 137a010b |
14 | a8d5db3 |
15 | 7077640 |
hex | 4c67079 |
80113785 has 32 divisors (see below), whose sum is σ = 135457920. Its totient is φ = 40320000.
The previous prime is 80113783. The next prime is 80113811. The reversal of 80113785 is 58731108.
It is not a de Polignac number, because 80113785 - 21 = 80113783 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80113783) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113935 + ... + 114635.
It is an arithmetic number, because the mean of its divisors is an integer number (4233060).
Almost surely, 280113785 is an apocalyptic number.
It is an amenable number.
80113785 is a deficient number, since it is larger than the sum of its proper divisors (55344135).
80113785 is a wasteful number, since it uses less digits than its factorization.
80113785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 80113785 is about 8950.6304247243. The cubic root of 80113785 is about 431.0911265230.
The spelling of 80113785 in words is "eighty million, one hundred thirteen thousand, seven hundred eighty-five".
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