Base | Representation |
---|---|
bin | 111110011101101110… |
… | …010110000100111111 |
3 | 20102010021022122012101 |
4 | 332131232112010333 |
5 | 2044330043301112 |
6 | 50451205245531 |
7 | 4563034246132 |
oct | 763556260477 |
9 | 212107278171 |
10 | 67070681407 |
11 | 26498718714 |
12 | 10bb9a038a7 |
13 | 642b5acb42 |
14 | 336396c219 |
15 | 1b2837e757 |
hex | f9db9613f |
67070681407 has 4 divisors (see below), whose sum is σ = 67071255880. Its totient is φ = 67070106936.
The previous prime is 67070681369. The next prime is 67070681411. The reversal of 67070681407 is 70418607076.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 67070681407 - 227 = 66936463679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67070681467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42732 + ... + 368737.
It is an arithmetic number, because the mean of its divisors is an integer number (16767813970).
Almost surely, 267070681407 is an apocalyptic number.
67070681407 is a deficient number, since it is larger than the sum of its proper divisors (574473).
67070681407 is a wasteful number, since it uses less digits than its factorization.
67070681407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 574472.
The product of its (nonzero) digits is 395136, while the sum is 46.
The spelling of 67070681407 in words is "sixty-seven billion, seventy million, six hundred eighty-one thousand, four hundred seven".
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