Base | Representation |
---|---|
bin | 1010100001001101011101… |
… | …10101110111011011111000 |
3 | 10000220100000022112002121222 |
4 | 11100212232311313123320 |
5 | 11012440432023321430 |
6 | 121110215355251212 |
7 | 4605116655653162 |
oct | 520465665673370 |
9 | 100810008462558 |
10 | 23131332245240 |
11 | 7408a4102446a |
12 | 2717010449b08 |
13 | cba376a0334b |
14 | 59d7c3535932 |
15 | 2a1a7439c9e5 |
hex | 1509aed776f8 |
23131332245240 has 64 divisors (see below), whose sum is σ = 52096175408160. Its totient is φ = 9243527864320.
The previous prime is 23131332245239. The next prime is 23131332245261. The reversal of 23131332245240 is 4254223313132.
23131332245240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 23131332245240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175021424 + ... + 175153536.
Almost surely, 223131332245240 is an apocalyptic number.
23131332245240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23131332245240 is an abundant number, since it is smaller than the sum of its proper divisors (28964843162920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131332245240 is a wasteful number, since it uses less digits than its factorization.
23131332245240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136352 (or 136348 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 35.
Adding to 23131332245240 its reverse (4254223313132), we get a palindrome (27385555558372).
The spelling of 23131332245240 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred thirty-two million, two hundred forty-five thousand, two hundred forty".
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