Base | Representation |
---|---|
bin | 100000000001100110… |
… | …0001111101111001111 |
3 | 20120111220120022210010 |
4 | 1000003030033233033 |
5 | 2111321343043300 |
6 | 51332140244303 |
7 | 4653155004222 |
oct | 1000314175717 |
9 | 216456508703 |
10 | 68773018575 |
11 | 27191637838 |
12 | 113b3b40693 |
13 | 6640197141 |
14 | 3485aa15b9 |
15 | 1bc7a45a50 |
hex | 100330fbcf |
68773018575 has 48 divisors (see below), whose sum is σ = 116438241920. Its totient is φ = 35798474880.
The previous prime is 68773018499. The next prime is 68773018579. The reversal of 68773018575 is 57581037786.
It is a de Polignac number, because none of the positive numbers 2k-68773018575 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68773018579) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4601064 + ... + 4615986.
Almost surely, 268773018575 is an apocalyptic number.
68773018575 is a deficient number, since it is larger than the sum of its proper divisors (47665223345).
68773018575 is a wasteful number, since it uses less digits than its factorization.
68773018575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16408 (or 16403 counting only the distinct ones).
The product of its (nonzero) digits is 9878400, while the sum is 57.
The spelling of 68773018575 in words is "sixty-eight billion, seven hundred seventy-three million, eighteen thousand, five hundred seventy-five".
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