Base | Representation |
---|---|
bin | 11110101000101011000010… |
… | …10010010111100101001111 |
3 | 22211112100002021202222220102 |
4 | 33110111201102113211033 |
5 | 32312230030211233040 |
6 | 355140304324241315 |
7 | 20122122440555060 |
oct | 1724254122274517 |
9 | 284470067688812 |
10 | 67368194242895 |
11 | 1a513766401777 |
12 | 76804a7b4023b |
13 | 2b78a412c5720 |
14 | 128c8d0952567 |
15 | 7bc60477c515 |
hex | 3d456149794f |
67368194242895 has 32 divisors (see below), whose sum is σ = 100281086803968. Its totient is φ = 42306083422848.
The previous prime is 67368194242889. The next prime is 67368194242897. The reversal of 67368194242895 is 59824249186376.
It is not a de Polignac number, because 67368194242895 - 224 = 67368177465679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67368194242897) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582863339 + ... + 582978908.
It is an arithmetic number, because the mean of its divisors is an integer number (3133783962624).
Almost surely, 267368194242895 is an apocalyptic number.
67368194242895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
67368194242895 is a deficient number, since it is larger than the sum of its proper divisors (32912892561073).
67368194242895 is a wasteful number, since it uses less digits than its factorization.
67368194242895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1165842399.
The product of its digits is 1254113280, while the sum is 74.
Adding to 67368194242895 its sum of digits (74), we get a square (67368194242969 = 82078132).
The spelling of 67368194242895 in words is "sixty-seven trillion, three hundred sixty-eight billion, one hundred ninety-four million, two hundred forty-two thousand, eight hundred ninety-five".
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