Base | Representation |
---|---|
bin | 100110101011000001… |
… | …0010010110011001100 |
3 | 21221100202010101201102 |
4 | 1031112002102303030 |
5 | 2330040220223432 |
6 | 102052431002232 |
7 | 6000000553430 |
oct | 1152602226314 |
9 | 257322111642 |
10 | 83047820492 |
11 | 3224736979a |
12 | 14118669378 |
13 | 7aa66c06b0 |
14 | 403b86c9c0 |
15 | 2260d5b962 |
hex | 1356092ccc |
83047820492 has 96 divisors (see below), whose sum is σ = 193086028800. Its totient is φ = 30341912832.
The previous prime is 83047820491. The next prime is 83047820507. The reversal of 83047820492 is 29402874038.
It is not an unprimeable number, because it can be changed into a prime (83047820491) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71759 + ... + 413817.
It is an arithmetic number, because the mean of its divisors is an integer number (2011312800).
Almost surely, 283047820492 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83047820492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96543014400).
83047820492 is an abundant number, since it is smaller than the sum of its proper divisors (110038208308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83047820492 is a wasteful number, since it uses less digits than its factorization.
83047820492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342135 (or 342133 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 47.
The spelling of 83047820492 in words is "eighty-three billion, forty-seven million, eight hundred twenty thousand, four hundred ninety-two".
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