Base | Representation |
---|---|
bin | 100101100110111110… |
… | …1110010100100100101 |
3 | 21201110122110222101202 |
4 | 1023031331302210211 |
5 | 2310401311013113 |
6 | 101034120532245 |
7 | 5556300436046 |
oct | 1131575624445 |
9 | 251418428352 |
10 | 80764938533 |
11 | 3128577a794 |
12 | 137a0021085 |
13 | 780175cc76 |
14 | 3ca25b88cd |
15 | 217a71c258 |
hex | 12cdf72925 |
80764938533 has 8 divisors (see below), whose sum is σ = 82056151488. Its totient is φ = 79478721504.
The previous prime is 80764938493. The next prime is 80764938539. The reversal of 80764938533 is 33583946708.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80764938533 - 28 = 80764938277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80764938539) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216385 + ... + 1281062.
It is an arithmetic number, because the mean of its divisors is an integer number (10257018936).
Almost surely, 280764938533 is an apocalyptic number.
It is an amenable number.
80764938533 is a deficient number, since it is larger than the sum of its proper divisors (1291212955).
80764938533 is a wasteful number, since it uses less digits than its factorization.
80764938533 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2497963.
The product of its (nonzero) digits is 13063680, while the sum is 56.
The spelling of 80764938533 in words is "eighty billion, seven hundred sixty-four million, nine hundred thirty-eight thousand, five hundred thirty-three".
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