Base | Representation |
---|---|
bin | 111111001101101011… |
… | …101011001010001001 |
3 | 20111012100022212112001 |
4 | 333031223223022021 |
5 | 2103002033201224 |
6 | 51103110551001 |
7 | 4622004266056 |
oct | 771553531211 |
9 | 214170285461 |
10 | 67875287689 |
11 | 26870915290 |
12 | 111a3368461 |
13 | 65291b6531 |
14 | 33dc77602d |
15 | 1b73d16544 |
hex | fcdaeb289 |
67875287689 has 16 divisors (see below), whose sum is σ = 74244812544. Its totient is φ = 61539166800.
The previous prime is 67875287671. The next prime is 67875287693. The reversal of 67875287689 is 98678257876.
It is a cyclic number.
It is not a de Polignac number, because 67875287689 - 211 = 67875285641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67875284689) 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, 6862942 + ... + 6872824.
It is an arithmetic number, because the mean of its divisors is an integer number (4640300784).
Almost surely, 267875287689 is an apocalyptic number.
It is an amenable number.
67875287689 is a deficient number, since it is larger than the sum of its proper divisors (6369524855).
67875287689 is a wasteful number, since it uses less digits than its factorization.
67875287689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11508.
The product of its digits is 568995840, while the sum is 73.
The spelling of 67875287689 in words is "sixty-seven billion, eight hundred seventy-five million, two hundred eighty-seven thousand, six hundred eighty-nine".
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