Base | Representation |
---|---|
bin | 111110101100100010… |
… | …101100000010110101 |
3 | 20102202121002221200212 |
4 | 332230202230002311 |
5 | 2100332214041033 |
6 | 50532005515205 |
7 | 4602143320541 |
oct | 765442540265 |
9 | 212677087625 |
10 | 67319283893 |
11 | 26605a87414 |
12 | 11069112b05 |
13 | 646ac533c4 |
14 | 33889a2a21 |
15 | 1b400d9748 |
hex | fac8ac0b5 |
67319283893 has 16 divisors (see below), whose sum is σ = 71928130560. Its totient is φ = 62865331200.
The previous prime is 67319283869. The next prime is 67319283907. The reversal of 67319283893 is 39838291376.
67319283893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 67319283893 - 220 = 67318235317 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 (67319283793) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625621 + ... + 1666517.
It is an arithmetic number, because the mean of its divisors is an integer number (4495508160).
Almost surely, 267319283893 is an apocalyptic number.
It is an amenable number.
67319283893 is a deficient number, since it is larger than the sum of its proper divisors (4608846667).
67319283893 is a wasteful number, since it uses less digits than its factorization.
67319283893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42788.
The product of its digits is 11757312, while the sum is 59.
The spelling of 67319283893 in words is "sixty-seven billion, three hundred nineteen million, two hundred eighty-three thousand, eight hundred ninety-three".
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