Base | Representation |
---|---|
bin | 100101010001100111… |
… | …0110110000110011000 |
3 | 21122121200102011201200 |
4 | 1022203032312012120 |
5 | 2302414241123034 |
6 | 100435030114200 |
7 | 5532443452434 |
oct | 1124316660630 |
9 | 248550364650 |
10 | 80047989144 |
11 | 30a48004032 |
12 | 1361baab960 |
13 | 7719067b66 |
14 | 3c352ab9c4 |
15 | 21377eca99 |
hex | 12a33b6198 |
80047989144 has 48 divisors (see below), whose sum is σ = 216932362920. Its totient is φ = 26665958400.
The previous prime is 80047989079. The next prime is 80047989163. The reversal of 80047989144 is 44198974008.
80047989144 is a `hidden beast` number, since 80 + 0 + 479 + 8 + 91 + 4 + 4 = 666.
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 11 ways as a sum of consecutive naturals, for example, 231942 + ... + 462485.
Almost surely, 280047989144 is an apocalyptic number.
It is an amenable number.
80047989144 is an abundant number, since it is smaller than the sum of its proper divisors (136884373776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80047989144 is a wasteful number, since it uses less digits than its factorization.
80047989144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696040 (or 696033 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 80047989144 in words is "eighty billion, forty-seven million, nine hundred eighty-nine thousand, one hundred forty-four".
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