Base | Representation |
---|---|
bin | 11110111100001001101010… |
… | …10011000111000011111111 |
3 | 22220220022121100022221220012 |
4 | 33132010311103013003333 |
5 | 32404211220102404142 |
6 | 400411552135013435 |
7 | 20221354650401255 |
oct | 1736046523070377 |
9 | 286808540287805 |
10 | 68037471138047 |
11 | 1a7515907a6a24 |
12 | 776a14b50a27b |
13 | 2bc6ba162b788 |
14 | 12b306177c5d5 |
15 | 7cec264c2882 |
hex | 3de1354c70ff |
68037471138047 has 8 divisors (see below), whose sum is σ = 72146717942976. Its totient is φ = 63940117957632.
The previous prime is 68037471137983. The next prime is 68037471138071. The reversal of 68037471138047 is 74083117473086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68037471138047 - 26 = 68037471137983 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 (68037471138547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973394343 + ... + 2973417224.
It is an arithmetic number, because the mean of its divisors is an integer number (9018339742872).
Almost surely, 268037471138047 is an apocalyptic number.
68037471138047 is a deficient number, since it is larger than the sum of its proper divisors (4109246804929).
68037471138047 is a wasteful number, since it uses less digits than its factorization.
68037471138047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5946812257.
The product of its (nonzero) digits is 18966528, while the sum is 59.
The spelling of 68037471138047 in words is "sixty-eight trillion, thirty-seven billion, four hundred seventy-one million, one hundred thirty-eight thousand, forty-seven".
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