Base | Representation |
---|---|
bin | 111110100010000100… |
… | …111101010011110001 |
3 | 20102022100202021202011 |
4 | 332202010331103301 |
5 | 2100002242440004 |
6 | 50502334522521 |
7 | 4564612121155 |
oct | 764204752361 |
9 | 212270667664 |
10 | 67143718129 |
11 | 26525973244 |
12 | 1101a366441 |
13 | 6440772937 |
14 | 336d541065 |
15 | 1b2e9aa004 |
hex | fa213d4f1 |
67143718129 has 8 divisors (see below), whose sum is σ = 67298179520. Its totient is φ = 66989386800.
The previous prime is 67143718099. The next prime is 67143718133. The reversal of 67143718129 is 92181734176.
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 67143718129 - 29 = 67143717617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67143713129) 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, 1041619 + ... + 1104199.
It is an arithmetic number, because the mean of its divisors is an integer number (8412272440).
Almost surely, 267143718129 is an apocalyptic number.
It is an amenable number.
67143718129 is a deficient number, since it is larger than the sum of its proper divisors (154461391).
67143718129 is a wasteful number, since it uses less digits than its factorization.
67143718129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65031.
The product of its digits is 508032, while the sum is 49.
The spelling of 67143718129 in words is "sixty-seven billion, one hundred forty-three million, seven hundred eighteen thousand, one hundred twenty-nine".
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