Base | Representation |
---|---|
bin | 10010111000111110011110… |
… | …100101011110011011110000 |
3 | 101220011101112220002110011202 |
4 | 102320332132211132123300 |
5 | 41342141234013440030 |
6 | 452410304543430332 |
7 | 23333230061644550 |
oct | 2270763645363360 |
9 | 356141486073152 |
10 | 83080213030640 |
11 | 245211363a4a81 |
12 | 93996032b53a8 |
13 | 3748579994357 |
14 | 1673164a3b160 |
15 | 9911911cb745 |
hex | 4b8f9e95e6f0 |
83080213030640 has 160 divisors (see below), whose sum is σ = 223313978419200. Its totient is φ = 28155523968000.
The previous prime is 83080213030637. The next prime is 83080213030649. The reversal of 83080213030640 is 4603031208038.
It is a junction number, because it is equal to n+sod(n) for n = 83080213030594 and 83080213030603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83080213030649) 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, 32653325 + ... + 35105555.
It is an arithmetic number, because the mean of its divisors is an integer number (1395712365120).
Almost surely, 283080213030640 is an apocalyptic number.
83080213030640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83080213030640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111656989209600).
83080213030640 is an abundant number, since it is smaller than the sum of its proper divisors (140233765388560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83080213030640 is a wasteful number, since it uses less digits than its factorization.
83080213030640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2452951 (or 2452945 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 38.
Adding to 83080213030640 its reverse (4603031208038), we get a palindrome (87683244238678).
The spelling of 83080213030640 in words is "eighty-three trillion, eighty billion, two hundred thirteen million, thirty thousand, six hundred forty".
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