Base | Representation |
---|---|
bin | 11111010011100111101110… |
… | …11001110100110101010001 |
3 | 100000202102002211020000222010 |
4 | 33221303313121310311101 |
5 | 33010414234430001031 |
6 | 402230240032133133 |
7 | 20333543454405141 |
oct | 1751636731646521 |
9 | 300672084200863 |
10 | 68843886562641 |
11 | 1aa3258a232113 |
12 | 787a4a63971a9 |
13 | 2c54c48756178 |
14 | 13000c1b70921 |
15 | 7e5bc2b0b246 |
hex | 3e9cf7674d51 |
68843886562641 has 8 divisors (see below), whose sum is σ = 91791890755200. Its totient is φ = 45895903372592.
The previous prime is 68843886562639. The next prime is 68843886562709. The reversal of 68843886562641 is 14626568834886.
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 68843886562641 - 21 = 68843886562639 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68843886567641) 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, 5602696 + ... + 13002998.
It is an arithmetic number, because the mean of its divisors is an integer number (11473986344400).
Almost surely, 268843886562641 is an apocalyptic number.
It is an amenable number.
68843886562641 is a deficient number, since it is larger than the sum of its proper divisors (22948004192559).
68843886562641 is a wasteful number, since it uses less digits than its factorization.
68843886562641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10501255.
The product of its digits is 2548039680, while the sum is 75.
The spelling of 68843886562641 in words is "sixty-eight trillion, eight hundred forty-three billion, eight hundred eighty-six million, five hundred sixty-two thousand, six hundred forty-one".
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