Base | Representation |
---|---|
bin | 101000000101110001… |
… | …1011010100001101110 |
3 | 22020012222111122012220 |
4 | 1100023203122201232 |
5 | 2402304323211430 |
6 | 103314535340210 |
7 | 6135316642560 |
oct | 1201343324156 |
9 | 266188448186 |
10 | 86093178990 |
11 | 3356a39a6a5 |
12 | 14828521666 |
13 | 81705c6780 |
14 | 424a0c1330 |
15 | 238d3b0110 |
hex | 140b8da86e |
86093178990 has 256 divisors, whose sum is σ = 267402885120. Its totient is φ = 17249863680.
The previous prime is 86093178973. The next prime is 86093178991. The reversal of 86093178990 is 9987139068.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86093178991) by changing a digit.
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 127 ways as a sum of consecutive naturals, for example, 4820457 + ... + 4838283.
It is an arithmetic number, because the mean of its divisors is an integer number (1044542520).
Almost surely, 286093178990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86093178990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133701442560).
86093178990 is an abundant number, since it is smaller than the sum of its proper divisors (181309706130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86093178990 is a wasteful number, since it uses less digits than its factorization.
86093178990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17947.
The product of its (nonzero) digits is 5878656, while the sum is 60.
The spelling of 86093178990 in words is "eighty-six billion, ninety-three million, one hundred seventy-eight thousand, nine hundred ninety".
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