Base | Representation |
---|---|
bin | 100101010110101101… |
… | …1001111101001000100 |
3 | 21200001121020000111122 |
4 | 1022231123033221010 |
5 | 2303242031333102 |
6 | 100504015453112 |
7 | 5536621230353 |
oct | 1125533175104 |
9 | 250047200448 |
10 | 80219011652 |
11 | 310255a484a |
12 | 13669227198 |
13 | 7745617700 |
14 | 3c4dca999a |
15 | 21478310a2 |
hex | 12ad6cfa44 |
80219011652 has 36 divisors (see below), whose sum is σ = 156121152516. Its totient is φ = 36023495040.
The previous prime is 80219011651. The next prime is 80219011661. The reversal of 80219011652 is 25611091208.
It can be written as a sum of positive squares in 6 ways, for example, as 9608704576 + 70610307076 = 98024^2 + 265726^2 .
It is not an unprimeable number, because it can be changed into a prime (80219011651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578599 + ... + 1628622.
It is an arithmetic number, because the mean of its divisors is an integer number (4336698681).
Almost surely, 280219011652 is an apocalyptic number.
It is an amenable number.
80219011652 is a deficient number, since it is larger than the sum of its proper divisors (75902140864).
80219011652 is a wasteful number, since it uses less digits than its factorization.
80219011652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3207288 (or 3207273 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 35.
The spelling of 80219011652 in words is "eighty billion, two hundred nineteen million, eleven thousand, six hundred fifty-two".
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