Base | Representation |
---|---|
bin | 111110110110111010… |
… | …111100100101001101 |
3 | 20110012201202202000012 |
4 | 332312322330211031 |
5 | 2101211303241440 |
6 | 51001150043005 |
7 | 4606356364244 |
oct | 766672744515 |
9 | 213181682005 |
10 | 67493415245 |
11 | 26695300923 |
12 | 110b74a9465 |
13 | 6498050cc9 |
14 | 33a3b6d95b |
15 | 1b50533e65 |
hex | fb6ebc94d |
67493415245 has 32 divisors (see below), whose sum is σ = 86297674752. Its totient is φ = 50561102592.
The previous prime is 67493415221. The next prime is 67493415271. The reversal of 67493415245 is 54251439476.
It is a cyclic number.
It is not a de Polignac number, because 67493415245 - 216 = 67493349709 is a prime.
It is a super-2 number, since 2×674934152452 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 67493415193 and 67493415202.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 2810027 + ... + 2833943.
It is an arithmetic number, because the mean of its divisors is an integer number (2696802336).
Almost surely, 267493415245 is an apocalyptic number.
It is an amenable number.
67493415245 is a deficient number, since it is larger than the sum of its proper divisors (18804259507).
67493415245 is a wasteful number, since it uses less digits than its factorization.
67493415245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24461.
The product of its digits is 3628800, while the sum is 50.
The spelling of 67493415245 in words is "sixty-seven billion, four hundred ninety-three million, four hundred fifteen thousand, two hundred forty-five".
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