Base | Representation |
---|---|
bin | 1001100011001… |
… | …11000001101001 |
3 | 12120202012102122 |
4 | 10301213001221 |
5 | 131002120034 |
6 | 11541041025 |
7 | 1661645561 |
oct | 461470151 |
9 | 176665378 |
10 | 80113769 |
11 | 4124972a |
12 | 229b6175 |
13 | 137a00c8 |
14 | a8d5da1 |
15 | 707762e |
hex | 4c67069 |
80113769 has 4 divisors (see below), whose sum is σ = 82279044. Its totient is φ = 77948496.
The previous prime is 80113757. The next prime is 80113783. The reversal of 80113769 is 96731108.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 39000025 + 41113744 = 6245^2 + 6412^2 .
It is a cyclic number.
It is not a de Polignac number, because 80113769 - 220 = 79065193 is a prime.
It is a super-2 number, since 2×801137692 = 12836431966770722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80113729) 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, 1082582 + ... + 1082655.
It is an arithmetic number, because the mean of its divisors is an integer number (20569761).
Almost surely, 280113769 is an apocalyptic number.
It is an amenable number.
80113769 is a deficient number, since it is larger than the sum of its proper divisors (2165275).
80113769 is a wasteful number, since it uses less digits than its factorization.
80113769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2165274.
The product of its (nonzero) digits is 9072, while the sum is 35.
The square root of 80113769 is about 8950.6295309324. The cubic root of 80113769 is about 431.0910978244.
The spelling of 80113769 in words is "eighty million, one hundred thirteen thousand, seven hundred sixty-nine".
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