Base | Representation |
---|---|
bin | 10001101111111010100… |
… | …101111101100000000001 |
3 | 11022121012121002200202101 |
4 | 101233322211331200001 |
5 | 124440401040000001 |
6 | 2332151355150401 |
7 | 154055543641231 |
oct | 21577245754001 |
9 | 4277177080671 |
10 | 1219680000001 |
11 | 430299621401 |
12 | 178470445401 |
13 | 8b0278b1418 |
14 | 43066111cc1 |
15 | 21ad77e6a01 |
hex | 11bfa97d801 |
1219680000001 has 16 divisors (see below), whose sum is σ = 1300831297920. Its totient is φ = 1139575207680.
The previous prime is 1219679999987. The next prime is 1219680000031. The reversal of 1219680000001 is 1000000869121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1219680000001 - 213 = 1219679991809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1219680000031) 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, 51763915 + ... + 51787471.
It is an arithmetic number, because the mean of its divisors is an integer number (81301956120).
Almost surely, 21219680000001 is an apocalyptic number.
It is an amenable number.
1219680000001 is a deficient number, since it is larger than the sum of its proper divisors (81151297919).
1219680000001 is a wasteful number, since it uses less digits than its factorization.
1219680000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45624.
The product of its (nonzero) digits is 864, while the sum is 28.
Adding to 1219680000001 its reverse (1000000869121), we get a palindrome (2219680869122).
The spelling of 1219680000001 in words is "one trillion, two hundred nineteen billion, six hundred eighty million, one", and thus it is an aban number.
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