Base | Representation |
---|---|
bin | 101000001000100110… |
… | …0010111101100100100 |
3 | 22020110120112221201212 |
4 | 1100101030113230210 |
5 | 2403003034121010 |
6 | 103332155410552 |
7 | 6140546136602 |
oct | 1202114275444 |
9 | 266416487655 |
10 | 86187801380 |
11 | 3360884891a |
12 | 14854153a58 |
13 | 81870a6655 |
14 | 42588b2872 |
15 | 2396851505 |
hex | 1411317b24 |
86187801380 has 48 divisors (see below), whose sum is σ = 182301537600. Its totient is φ = 34226375808.
The previous prime is 86187801347. The next prime is 86187801383. The reversal of 86187801380 is 8310878168.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (86187801383) 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, 6987899 + ... + 7000221.
It is an arithmetic number, because the mean of its divisors is an integer number (3797948700).
Almost surely, 286187801380 is an apocalyptic number.
It is an amenable number.
86187801380 is an abundant number, since it is smaller than the sum of its proper divisors (96113736220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86187801380 is a wasteful number, since it uses less digits than its factorization.
86187801380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14828 (or 14826 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 50.
The spelling of 86187801380 in words is "eighty-six billion, one hundred eighty-seven million, eight hundred one thousand, three hundred eighty".
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