Base | Representation |
---|---|
bin | 100101011110001011… |
… | …1111110001010111010 |
3 | 21200201002010222202122 |
4 | 1022330113332022322 |
5 | 2304300232440043 |
6 | 100544535201242 |
7 | 5546055054410 |
oct | 1127427761272 |
9 | 250632128678 |
10 | 80469811898 |
11 | 31144124783 |
12 | 13719216222 |
13 | 778557a418 |
14 | 3c753132b0 |
15 | 215e872368 |
hex | 12bc5fe2ba |
80469811898 has 16 divisors (see below), whose sum is σ = 139610278080. Its totient is φ = 34071554976.
The previous prime is 80469811819. The next prime is 80469811901. The reversal of 80469811898 is 89811896408.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 80469811898.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34624403 + ... + 34626726.
It is an arithmetic number, because the mean of its divisors is an integer number (8725642380).
Almost surely, 280469811898 is an apocalyptic number.
80469811898 is a deficient number, since it is larger than the sum of its proper divisors (59140466182).
80469811898 is a wasteful number, since it uses less digits than its factorization.
80469811898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69251221.
The product of its (nonzero) digits is 7962624, while the sum is 62.
The spelling of 80469811898 in words is "eighty billion, four hundred sixty-nine million, eight hundred eleven thousand, eight hundred ninety-eight".
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