Base | Representation |
---|---|
bin | 11111010011110001111110… |
… | …00101000011101110100001 |
3 | 100000202221021221201002200101 |
4 | 33221320333011003232201 |
5 | 33011012014303423343 |
6 | 402232545334222401 |
7 | 20334126630263653 |
oct | 1751707705035641 |
9 | 300687257632611 |
10 | 68849384045473 |
11 | 1aa34950437359 |
12 | 787b57b4b4a01 |
13 | 2c556136981a5 |
14 | 1300483d306d3 |
15 | 7e5de557ee4d |
hex | 3e9e3f143ba1 |
68849384045473 has 8 divisors (see below), whose sum is σ = 72473160014720. Its totient is φ = 65225620494000.
The previous prime is 68849384045413. The next prime is 68849384045479. The reversal of 68849384045473 is 37454048394886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68849384045473 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68849384045396 and 68849384045405.
It is not an unprimeable number, because it can be changed into a prime (68849384045479) 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, 9611848 + ... + 15168598.
It is an arithmetic number, because the mean of its divisors is an integer number (9059145001840).
Almost surely, 268849384045473 is an apocalyptic number.
It is an amenable number.
68849384045473 is a deficient number, since it is larger than the sum of its proper divisors (3623775969247).
68849384045473 is a wasteful number, since it uses less digits than its factorization.
68849384045473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6208887.
The product of its (nonzero) digits is 2229534720, while the sum is 73.
The spelling of 68849384045473 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, four hundred seventy-three".
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