Base | Representation |
---|---|
bin | 110100100001100010101000… |
… | …001010101011110010000000 |
3 | 1010021220201000010002211100101 |
4 | 310201202220022223302000 |
5 | 220234224321124433440 |
6 | 2135145245342532144 |
7 | 66441304112616043 |
oct | 6441425012536200 |
9 | 1107821003084311 |
10 | 231003342421120 |
11 | 67671a706087a5 |
12 | 21aa9bb3b97054 |
13 | 9bb86a22ac829 |
14 | 410889b2b6c5a |
15 | 1ba8dd8c6169a |
hex | d218a82abc80 |
231003342421120 has 64 divisors (see below), whose sum is σ = 571285205710200. Its totient is φ = 89215083962368.
The previous prime is 231003342421099. The next prime is 231003342421129. The reversal of 231003342421120 is 21124243300132.
It can be written as a sum of positive squares in 4 ways, for example, as 187836234872896 + 43167107548224 = 13705336^2 + 6570168^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (231003342421129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6223131829 + ... + 6223168948.
Almost surely, 2231003342421120 is an apocalyptic number.
231003342421120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231003342421120 is an abundant number, since it is smaller than the sum of its proper divisors (340281863289080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231003342421120 is a wasteful number, since it uses less digits than its factorization.
231003342421120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12446300825 (or 12446300813 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 231003342421120 its reverse (21124243300132), we get a palindrome (252127585721252).
The spelling of 231003342421120 in words is "two hundred thirty-one trillion, three billion, three hundred forty-two million, four hundred twenty-one thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •