Base | Representation |
---|---|
bin | 100110101100001001… |
… | …1011101000100100100 |
3 | 21221110101201200120000 |
4 | 1031120103131010210 |
5 | 2330124440422234 |
6 | 102100310341300 |
7 | 6000642162120 |
oct | 1153023350444 |
9 | 257411650500 |
10 | 83085873444 |
11 | 3226689a512 |
12 | 1412935a830 |
13 | 7ab1554c32 |
14 | 4042936580 |
15 | 2264376899 |
hex | 13584dd124 |
83085873444 has 60 divisors (see below), whose sum is σ = 248231875584. Its totient is φ = 23738820336.
The previous prime is 83085873419. The next prime is 83085873449. The reversal of 83085873444 is 44437858038.
83085873444 is a `hidden beast` number, since 83 + 0 + 8 + 58 + 73 + 444 = 666.
It is a super-2 number, since 2×830858734442 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (83085873449) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18314724 + ... + 18319259.
Almost surely, 283085873444 is an apocalyptic number.
83085873444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
83085873444 is an abundant number, since it is smaller than the sum of its proper divisors (165146002140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83085873444 is a wasteful number, since it uses less digits than its factorization.
83085873444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36634006 (or 36633995 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 54.
The spelling of 83085873444 in words is "eighty-three billion, eighty-five million, eight hundred seventy-three thousand, four hundred forty-four".
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