Base | Representation |
---|---|
bin | 10110101011111100… |
… | …00101011111111001 |
3 | 1011102211100202122221 |
4 | 23111332011133321 |
5 | 144421004211144 |
6 | 5332330244041 |
7 | 610553140525 |
oct | 132576053771 |
9 | 34384322587 |
10 | 12179757049 |
11 | 5190178819 |
12 | 243ab86621 |
13 | 11c1481c45 |
14 | 837850d85 |
15 | 4b442bd84 |
hex | 2d5f857f9 |
12179757049 has 8 divisors (see below), whose sum is σ = 13170601728. Its totient is φ = 11219400000.
The previous prime is 12179757047. The next prime is 12179757071. The reversal of 12179757049 is 94075797121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12179757049 - 21 = 12179757047 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12179756987 and 12179757005.
It is not an unprimeable number, because it can be changed into a prime (12179757041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621077 + ... + 7622674.
It is an arithmetic number, because the mean of its divisors is an integer number (1646325216).
Almost surely, 212179757049 is an apocalyptic number.
It is an amenable number.
12179757049 is a deficient number, since it is larger than the sum of its proper divisors (990844679).
12179757049 is a wasteful number, since it uses less digits than its factorization.
12179757049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15243815.
The product of its (nonzero) digits is 1111320, while the sum is 52.
The spelling of 12179757049 in words is "twelve billion, one hundred seventy-nine million, seven hundred fifty-seven thousand, forty-nine".
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