Base | Representation |
---|---|
bin | 1010100100000111101011… |
… | …11111001110101101010000 |
3 | 10001020220001221112212110201 |
4 | 11102003311333032231100 |
5 | 11021110210343130000 |
6 | 121224152212304544 |
7 | 4615256343652600 |
oct | 522036577165520 |
9 | 101226057485421 |
10 | 23231310130000 |
11 | 7447385a25005 |
12 | 2732472912154 |
13 | cc691aa6b93b |
14 | 5a458967ac00 |
15 | 2a44766b996a |
hex | 1520f5fceb50 |
23231310130000 has 300 divisors, whose sum is σ = 65635072219332. Its totient is φ = 7939841280000.
The previous prime is 23231310129971. The next prime is 23231310130043. The reversal of 23231310130000 is 3101313232.
It can be written as a sum of positive squares in 10 ways, for example, as 23092022933056 + 139287196944 = 4805416^2 + 373212^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 23231310130000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 155255220 + ... + 155404780.
Almost surely, 223231310130000 is an apocalyptic number.
23231310130000 is a gapful number since it is divisible by the number (20) 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 23231310130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32817536109666).
23231310130000 is an abundant number, since it is smaller than the sum of its proper divisors (42403762089332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23231310130000 is a wasteful number, since it uses less digits than its factorization.
23231310130000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149920 (or 149892 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 23231310130000 its reverse (3101313232), we get a palindrome (23234411443232).
The spelling of 23231310130000 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred ten million, one hundred thirty thousand".
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