Base | Representation |
---|---|
bin | 110010101101000011000… |
… | …0001010000000001110000 |
3 | 220200012101200001221101201 |
4 | 1211122012001100001300 |
5 | 1403133331432210343 |
6 | 22453211521340544 |
7 | 1316320343542333 |
oct | 145320601200160 |
9 | 26605350057351 |
10 | 6968685428848 |
11 | 2247448284580 |
12 | 9466b2797754 |
13 | 3b71b4ac61a0 |
14 | 1a140139661a |
15 | c14114a794d |
hex | 65686050070 |
6968685428848 has 80 divisors (see below), whose sum is σ = 15867550411776. Its totient is φ = 2922953829120.
The previous prime is 6968685428843. The next prime is 6968685428891. The reversal of 6968685428848 is 8488245868696.
It is a super-5 number, since 5×69686854288485 (a number of 65 digits) contains 55555 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6968685428843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6412861 + ... + 7420387.
Almost surely, 26968685428848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6968685428848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7933775205888).
6968685428848 is an abundant number, since it is smaller than the sum of its proper divisors (8898864982928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6968685428848 is a wasteful number, since it uses less digits than its factorization.
6968685428848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1010582 (or 1010576 counting only the distinct ones).
The product of its digits is 10192158720, while the sum is 82.
The spelling of 6968685428848 in words is "six trillion, nine hundred sixty-eight billion, six hundred eighty-five million, four hundred twenty-eight thousand, eight hundred forty-eight".
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