Base | Representation |
---|---|
bin | 100001101001100111101… |
… | …000100110110010001000 |
3 | 22012001210022002100100120 |
4 | 201221213220212302020 |
5 | 300341324330244422 |
6 | 4530152143503240 |
7 | 326032125030504 |
oct | 41514750466210 |
9 | 8161708070316 |
10 | 2312431103112 |
11 | 811773088919 |
12 | 3141b85b7b20 |
13 | 13a0a49391a0 |
14 | 7dcca98d304 |
15 | 40241bb645c |
hex | 21a67a26c88 |
2312431103112 has 64 divisors (see below), whose sum is σ = 6496461982080. Its totient is φ = 680581727232.
The previous prime is 2312431103057. The next prime is 2312431103113. The reversal of 2312431103112 is 2113011342132.
It is a super-3 number, since 3×23124311031123 (a number of 38 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (2312431103113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161115393 + ... + 161129744.
It is an arithmetic number, because the mean of its divisors is an integer number (101507218470).
Almost surely, 22312431103112 is an apocalyptic number.
It is an amenable number.
2312431103112 is an abundant number, since it is smaller than the sum of its proper divisors (4184030878968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2312431103112 is a wasteful number, since it uses less digits than its factorization.
2312431103112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322245182 (or 322245178 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 2312431103112 its reverse (2113011342132), we get a palindrome (4425442445244).
The spelling of 2312431103112 in words is "two trillion, three hundred twelve billion, four hundred thirty-one million, one hundred three thousand, one hundred twelve".
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