Base | Representation |
---|---|
bin | 111110011001111111… |
… | …100010110010100111 |
3 | 20101221220112012200010 |
4 | 332121333202302213 |
5 | 2044213032043223 |
6 | 50441051421303 |
7 | 4561344201630 |
oct | 763177426247 |
9 | 211856465603 |
10 | 67008081063 |
11 | 264663510a0 |
12 | 10ba0a54833 |
13 | 641b632411 |
14 | 3359514887 |
15 | 1b22b16393 |
hex | f99fe2ca7 |
67008081063 has 16 divisors (see below), whose sum is σ = 111390057216. Its totient is φ = 34809392640.
The previous prime is 67008081061. The next prime is 67008081073. The reversal of 67008081063 is 36018080076.
It is not a de Polignac number, because 67008081063 - 21 = 67008081061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67008081061) 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 15 ways as a sum of consecutive naturals, for example, 145038906 + ... + 145039367.
It is an arithmetic number, because the mean of its divisors is an integer number (6961878576).
Almost surely, 267008081063 is an apocalyptic number.
67008081063 is a deficient number, since it is larger than the sum of its proper divisors (44381976153).
67008081063 is a wasteful number, since it uses less digits than its factorization.
67008081063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290078294.
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 67008081063 in words is "sixty-seven billion, eight million, eighty-one thousand, sixty-three".
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