Base | Representation |
---|---|
bin | 100101010110101000… |
… | …0011001101000111100 |
3 | 21200001101212121010222 |
4 | 1022231100121220330 |
5 | 2303240314402040 |
6 | 100503434520512 |
7 | 5536555120661 |
oct | 1125520315074 |
9 | 250041777128 |
10 | 80216169020 |
11 | 31023a33069 |
12 | 13668296138 |
13 | 7744b60890 |
14 | 3c4d769a68 |
15 | 214746dbb5 |
hex | 12ad419a3c |
80216169020 has 48 divisors (see below), whose sum is σ = 181433383488. Its totient is φ = 29614778880.
The previous prime is 80216169013. The next prime is 80216169079. The reversal of 80216169020 is 2096161208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3463880 + ... + 3486960.
It is an arithmetic number, because the mean of its divisors is an integer number (3779862156).
Almost surely, 280216169020 is an apocalyptic number.
It is an amenable number.
80216169020 is an abundant number, since it is smaller than the sum of its proper divisors (101217214468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80216169020 is a wasteful number, since it uses less digits than its factorization.
80216169020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36470 (or 36468 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 35.
The spelling of 80216169020 in words is "eighty billion, two hundred sixteen million, one hundred sixty-nine thousand, twenty".
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