Base | Representation |
---|---|
bin | 11110111100111110001001… |
… | …01110100010101100101101 |
3 | 22221000000022222201000020120 |
4 | 33132133010232202230231 |
5 | 32410141421200243142 |
6 | 400432532055235153 |
7 | 20223403122533454 |
oct | 1736370456425455 |
9 | 287000288630216 |
10 | 68065647274797 |
11 | 1a76252a467557 |
12 | 77736b3678ab9 |
13 | 2bc9741b99b43 |
14 | 12b457589bb9b |
15 | 7d0824e2c7ec |
hex | 3de7c4ba2b2d |
68065647274797 has 8 divisors (see below), whose sum is σ = 90754704125856. Its totient is φ = 45376844303472.
The previous prime is 68065647274777. The next prime is 68065647274799. The reversal of 68065647274797 is 79747274656086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68065647274797 - 219 = 68065646750509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68065647274799) 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, 62843478 + ... + 63917399.
It is an arithmetic number, because the mean of its divisors is an integer number (11344338015732).
Almost surely, 268065647274797 is an apocalyptic number.
It is an amenable number.
68065647274797 is a deficient number, since it is larger than the sum of its proper divisors (22689056851059).
68065647274797 is a wasteful number, since it uses less digits than its factorization.
68065647274797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126939867.
The product of its (nonzero) digits is 5974456320, while the sum is 78.
The spelling of 68065647274797 in words is "sixty-eight trillion, sixty-five billion, six hundred forty-seven million, two hundred seventy-four thousand, seven hundred ninety-seven".
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