Base | Representation |
---|---|
bin | 100101011110010000… |
… | …1010110000000001011 |
3 | 21200201020202211000102 |
4 | 1022330201112000023 |
5 | 2304301400100221 |
6 | 100545104000015 |
7 | 5546114666414 |
oct | 1127441260013 |
9 | 250636684012 |
10 | 80472268811 |
11 | 31145552690 |
12 | 1371a00000b |
13 | 7785c2a80c |
14 | 3c7579280b |
15 | 215ebaa30b |
hex | 12bc85600b |
80472268811 has 16 divisors (see below), whose sum is σ = 92617050240. Its totient is φ = 69149733120.
The previous prime is 80472268769. The next prime is 80472268879. The reversal of 80472268811 is 11886227408.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80472268811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80472262811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341990 + ... + 527163.
It is an arithmetic number, because the mean of its divisors is an integer number (5788565640).
Almost surely, 280472268811 is an apocalyptic number.
80472268811 is a deficient number, since it is larger than the sum of its proper divisors (12144781429).
80472268811 is a wasteful number, since it uses less digits than its factorization.
80472268811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 869626.
The product of its (nonzero) digits is 344064, while the sum is 47.
The spelling of 80472268811 in words is "eighty billion, four hundred seventy-two million, two hundred sixty-eight thousand, eight hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •