Base | Representation |
---|---|
bin | 10010000010111100111… |
… | …011001011101101101010 |
3 | 11101112222002222001210110 |
4 | 102002330323023231222 |
5 | 130304231233243310 |
6 | 2345411531555150 |
7 | 155411222611056 |
oct | 22027473135552 |
9 | 4345862861713 |
10 | 1240120212330 |
11 | 438a2859146a |
12 | 1804158bbab6 |
13 | 8cc34539a0c |
14 | 44044a68c66 |
15 | 223d201ad20 |
hex | 120bcecbb6a |
1240120212330 has 32 divisors (see below), whose sum is σ = 3009729960000. Its totient is φ = 326983006592.
The previous prime is 1240120212319. The next prime is 1240120212407. The reversal of 1240120212330 is 332120210421.
It is a junction number, because it is equal to n+sod(n) for n = 1240120212297 and 1240120212306.
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, 232229580 + ... + 232234919.
It is an arithmetic number, because the mean of its divisors is an integer number (94054061250).
Almost surely, 21240120212330 is an apocalyptic number.
1240120212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240120212330 is an abundant number, since it is smaller than the sum of its proper divisors (1769609747670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240120212330 is a wasteful number, since it uses less digits than its factorization.
1240120212330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464464598.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 1240120212330 its reverse (332120210421), we get a palindrome (1572240422751).
The spelling of 1240120212330 in words is "one trillion, two hundred forty billion, one hundred twenty million, two hundred twelve thousand, three hundred thirty".
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