Base | Representation |
---|---|
bin | 10010000110101011100… |
… | …101010011001100001100 |
3 | 11101221022011020021000110 |
4 | 102012223211103030030 |
5 | 130340431300333122 |
6 | 2351313124000020 |
7 | 155612362321140 |
oct | 22065345231414 |
9 | 4357264207013 |
10 | 1244124230412 |
11 | 43a6a276a518 |
12 | 181152830010 |
13 | 90421c3729b |
14 | 44304747220 |
15 | 225687d690c |
hex | 121ab95330c |
1244124230412 has 48 divisors (see below), whose sum is σ = 3461910907392. Its totient is φ = 340009105920.
The previous prime is 1244124230411. The next prime is 1244124230513. The reversal of 1244124230412 is 2140324214421.
It is a self number, because there is not a number n which added to its sum of digits gives 1244124230412.
It is not an unprimeable number, because it can be changed into a prime (1244124230411) 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, 321976389 + ... + 321980252.
It is an arithmetic number, because the mean of its divisors is an integer number (72123143904).
Almost surely, 21244124230412 is an apocalyptic number.
1244124230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1244124230412 is an abundant number, since it is smaller than the sum of its proper divisors (2217786676980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1244124230412 is a wasteful number, since it uses less digits than its factorization.
1244124230412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643956678 (or 643956676 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 30.
Adding to 1244124230412 its reverse (2140324214421), we get a palindrome (3384448444833).
The spelling of 1244124230412 in words is "one trillion, two hundred forty-four billion, one hundred twenty-four million, two hundred thirty thousand, four hundred twelve".
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