Base | Representation |
---|---|
bin | 100101010111010100… |
… | …1000010000111111111 |
3 | 21200010000121000212222 |
4 | 1022232221002013333 |
5 | 2303312241403034 |
6 | 100510024515555 |
7 | 5540256451022 |
oct | 1125651020777 |
9 | 250100530788 |
10 | 80239403519 |
11 | 31036062530 |
12 | 1367401bbbb |
13 | 77499072c2 |
14 | 3c528971b9 |
15 | 214950d12e |
hex | 12aea421ff |
80239403519 has 32 divisors (see below), whose sum is σ = 92838144000. Its totient is φ = 68584786560.
The previous prime is 80239403467. The next prime is 80239403527. The reversal of 80239403519 is 91530493208.
It is a cyclic number.
It is not a de Polignac number, because 80239403519 - 212 = 80239399423 is a prime.
It is a super-2 number, since 2×802394035192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80239403519.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80239403539) 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, 16263377 + ... + 16268309.
It is an arithmetic number, because the mean of its divisors is an integer number (2901192000).
Almost surely, 280239403519 is an apocalyptic number.
80239403519 is a deficient number, since it is larger than the sum of its proper divisors (12598740481).
80239403519 is a wasteful number, since it uses less digits than its factorization.
80239403519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5535.
The product of its (nonzero) digits is 233280, while the sum is 44.
The spelling of 80239403519 in words is "eighty billion, two hundred thirty-nine million, four hundred three thousand, five hundred nineteen".
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