Base | Representation |
---|---|
bin | 100101010001100111… |
… | …0110110000110010110 |
3 | 21122121200102011201121 |
4 | 1022203032312012112 |
5 | 2302414241123032 |
6 | 100435030114154 |
7 | 5532443452432 |
oct | 1124316660626 |
9 | 248550364647 |
10 | 80047989142 |
11 | 30a48004030 |
12 | 1361baab95a |
13 | 7719067b64 |
14 | 3c352ab9c2 |
15 | 21377eca97 |
hex | 12a33b6196 |
80047989142 has 32 divisors (see below), whose sum is σ = 140376893184. Its totient is φ = 33862831200.
The previous prime is 80047989079. The next prime is 80047989163. The reversal of 80047989142 is 24198974008.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 80047989142.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119084 + ... + 2156527.
It is an arithmetic number, because the mean of its divisors is an integer number (4386777912).
Almost surely, 280047989142 is an apocalyptic number.
80047989142 is a deficient number, since it is larger than the sum of its proper divisors (60328904042).
80047989142 is a wasteful number, since it uses less digits than its factorization.
80047989142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4275684.
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 80047989142 in words is "eighty billion, forty-seven million, nine hundred eighty-nine thousand, one hundred forty-two".
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