Base | Representation |
---|---|
bin | 111111010011100101… |
… | …101000000011101001 |
3 | 20111110020202112121112 |
4 | 333103211220003221 |
5 | 2103202414143132 |
6 | 51121010320105 |
7 | 4624316400320 |
oct | 772345500351 |
9 | 214406675545 |
10 | 67974365417 |
11 | 26911836902 |
12 | 11210589035 |
13 | 65438962ca |
14 | 340b9a70b7 |
15 | 1b7c887ab2 |
hex | fd39680e9 |
67974365417 has 16 divisors (see below), whose sum is σ = 78068538240. Its totient is φ = 57976639488.
The previous prime is 67974365413. The next prime is 67974365423. The reversal of 67974365417 is 71456347976.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 67974365417 - 22 = 67974365413 is a prime.
It is not an unprimeable number, because it can be changed into a prime (67974365413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468298 + ... + 1513884.
It is an arithmetic number, because the mean of its divisors is an integer number (4879283640).
Almost surely, 267974365417 is an apocalyptic number.
It is an amenable number.
67974365417 is a deficient number, since it is larger than the sum of its proper divisors (10094172823).
67974365417 is a wasteful number, since it uses less digits than its factorization.
67974365417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46640.
The product of its digits is 26671680, while the sum is 59.
The spelling of 67974365417 in words is "sixty-seven billion, nine hundred seventy-four million, three hundred sixty-five thousand, four hundred seventeen".
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