Base | Representation |
---|---|
bin | 111001011000101010… |
… | …0110010111101100100 |
3 | 102210002101201001222020 |
4 | 1302301110302331210 |
5 | 4004340412300030 |
6 | 132340222303140 |
7 | 11621566410351 |
oct | 1626124627544 |
9 | 383071631866 |
10 | 123234103140 |
11 | 48299490735 |
12 | 1ba72a27ab0 |
13 | b80c236675 |
14 | 5d70a8b628 |
15 | 3313d8d510 |
hex | 1cb1532f64 |
123234103140 has 24 divisors (see below), whose sum is σ = 345055488960. Its totient is φ = 32862427488.
The previous prime is 123234103129. The next prime is 123234103141. The reversal of 123234103140 is 41301432321.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 123234103140.
It is not an unprimeable number, because it can be changed into a prime (123234103141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026950800 + ... + 1026950919.
It is an arithmetic number, because the mean of its divisors is an integer number (14377312040).
Almost surely, 2123234103140 is an apocalyptic number.
123234103140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123234103140 is an abundant number, since it is smaller than the sum of its proper divisors (221821385820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123234103140 is a wasteful number, since it uses less digits than its factorization.
123234103140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2053901731 (or 2053901729 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 123234103140 its reverse (41301432321), we get a palindrome (164535535461).
The spelling of 123234103140 in words is "one hundred twenty-three billion, two hundred thirty-four million, one hundred three thousand, one hundred forty".
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