Base | Representation |
---|---|
bin | 11010001010101001000… |
… | …010000111011010010000 |
3 | 20100220021221000211000102 |
4 | 122022221002013122100 |
5 | 213430033322440442 |
6 | 3454014530111532 |
7 | 243624251542532 |
oct | 32125102073220 |
9 | 6326257024012 |
10 | 1798132233872 |
11 | 633646850317 |
12 | 2505a6a1b5a8 |
13 | 1007422b9350 |
14 | 6305c6d5852 |
15 | 31b90ab6232 |
hex | 1a2a9087690 |
1798132233872 has 20 divisors (see below), whose sum is σ = 3751872065340. Its totient is φ = 829907184768.
The previous prime is 1798132233869. The next prime is 1798132233907. The reversal of 1798132233872 is 2783322318971.
It can be written as a sum of positive squares in 2 ways, for example, as 296615301376 + 1501516932496 = 544624^2 + 1225364^2 .
It is a super-2 number, since 2×17981322338722 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322433047 + ... + 4322433462.
It is an arithmetic number, because the mean of its divisors is an integer number (187593603267).
Almost surely, 21798132233872 is an apocalyptic number.
It is an amenable number.
1798132233872 is an abundant number, since it is smaller than the sum of its proper divisors (1953739831468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1798132233872 is a wasteful number, since it uses less digits than its factorization.
1798132233872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8644866530 (or 8644866524 counting only the distinct ones).
The product of its digits is 6096384, while the sum is 56.
The spelling of 1798132233872 in words is "one trillion, seven hundred ninety-eight billion, one hundred thirty-two million, two hundred thirty-three thousand, eight hundred seventy-two".
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