Base | Representation |
---|---|
bin | 100101011101101011… |
… | …1100010010111000011 |
3 | 21200122220100211111100 |
4 | 1022323113202113003 |
5 | 2304231421431041 |
6 | 100543133145443 |
7 | 5545461354216 |
oct | 1127327422703 |
9 | 250586324440 |
10 | 80452920771 |
11 | 31135638173 |
12 | 1371362b283 |
13 | 7781c15082 |
14 | 3c72d9777d |
15 | 215d1376b6 |
hex | 12bb5e25c3 |
80452920771 has 12 divisors (see below), whose sum is σ = 121262373648. Its totient is φ = 51303311664.
The previous prime is 80452920703. The next prime is 80452920803. The reversal of 80452920771 is 17702925408.
It is a happy number.
It is not a de Polignac number, because 80452920771 - 29 = 80452920259 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80452920701) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194330520 + ... + 194330933.
It is an arithmetic number, because the mean of its divisors is an integer number (10105197804).
Almost surely, 280452920771 is an apocalyptic number.
80452920771 is a deficient number, since it is larger than the sum of its proper divisors (40809452877).
80452920771 is a wasteful number, since it uses less digits than its factorization.
80452920771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388661482 (or 388661479 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The spelling of 80452920771 in words is "eighty billion, four hundred fifty-two million, nine hundred twenty thousand, seven hundred seventy-one".
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