Base | Representation |
---|---|
bin | 100101100100100010… |
… | …0000010010010100001 |
3 | 21201020220201022012120 |
4 | 1023021010002102201 |
5 | 2310214232032242 |
6 | 101022022014453 |
7 | 5554251355401 |
oct | 1131104022241 |
9 | 251226638176 |
10 | 80682689697 |
11 | 31243302a45 |
12 | 13778577429 |
13 | 77ba6c310c |
14 | 3c956c8801 |
15 | 21733c21ec |
hex | 12c91024a1 |
80682689697 has 8 divisors (see below), whose sum is σ = 107616495360. Its totient is φ = 53768671920.
The previous prime is 80682689693. The next prime is 80682689701. The reversal of 80682689697 is 79698628608.
It is an interprime number because it is at equal distance from previous prime (80682689693) and next prime (80682689701).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80682689697 - 22 = 80682689693 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80682689693) 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, 4937454 + ... + 4953767.
It is an arithmetic number, because the mean of its divisors is an integer number (13452061920).
Almost surely, 280682689697 is an apocalyptic number.
It is an amenable number.
80682689697 is a deficient number, since it is larger than the sum of its proper divisors (26933805663).
80682689697 is a wasteful number, since it uses less digits than its factorization.
80682689697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9893943.
The product of its (nonzero) digits is 125411328, while the sum is 69.
The spelling of 80682689697 in words is "eighty billion, six hundred eighty-two million, six hundred eighty-nine thousand, six hundred ninety-seven".
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