Base | Representation |
---|---|
bin | 111111010001101110… |
… | …011010011000101001 |
3 | 20111101001221211010001 |
4 | 333101232122120221 |
5 | 2103121414124111 |
6 | 51113532423001 |
7 | 4623456641200 |
oct | 772156323051 |
9 | 214331854101 |
10 | 67943114281 |
11 | 268a6131419 |
12 | 11202017a61 |
13 | 653a273a03 |
14 | 3407790237 |
15 | 1b79c631c1 |
hex | fd1b9a629 |
67943114281 has 27 divisors (see below), whose sum is σ = 82672679901. Its totient is φ = 55670506584.
The previous prime is 67943114279. The next prime is 67943114293. The reversal of 67943114281 is 18241134976.
The square root of 67943114281 is 260659.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 67943114281 - 21 = 67943114279 is a prime.
It is a super-2 number, since 2×679431142812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (67943114231) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41965290 + ... + 41966908.
Almost surely, 267943114281 is an apocalyptic number.
67943114281 is the 260659-th square number.
67943114281 is the 130330-th centered octagonal number.
It is an amenable number.
67943114281 is a deficient number, since it is larger than the sum of its proper divisors (14729565620).
67943114281 is an frugal number, since it uses more digits than its factorization.
67943114281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3298 (or 1649 counting only the distinct ones).
The product of its digits is 290304, while the sum is 46.
The spelling of 67943114281 in words is "sixty-seven billion, nine hundred forty-three million, one hundred fourteen thousand, two hundred eighty-one".
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