Base | Representation |
---|---|
bin | 100110101010111011… |
… | …0001010110110000100 |
3 | 21221100112010220220011 |
4 | 1031111312022312010 |
5 | 2330033412022210 |
6 | 102052234520004 |
7 | 5666631545263 |
oct | 1152566126604 |
9 | 257315126804 |
10 | 83044642180 |
11 | 32245598895 |
12 | 14117596004 |
13 | 7aa5b49b36 |
14 | 403b2825da |
15 | 226092ed8a |
hex | 1355d8ad84 |
83044642180 has 48 divisors (see below), whose sum is σ = 176197081536. Its totient is φ = 32874652800.
The previous prime is 83044642147. The next prime is 83044642183. The reversal of 83044642180 is 8124644038.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (83044642183) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5460547 + ... + 5475733.
It is an arithmetic number, because the mean of its divisors is an integer number (3670772532).
Almost surely, 283044642180 is an apocalyptic number.
It is an amenable number.
83044642180 is an abundant number, since it is smaller than the sum of its proper divisors (93152439356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83044642180 is a wasteful number, since it uses less digits than its factorization.
83044642180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18004 (or 18002 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 40.
The spelling of 83044642180 in words is "eighty-three billion, forty-four million, six hundred forty-two thousand, one hundred eighty".
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