Base | Representation |
---|---|
bin | 100000000110011100… |
… | …0001111111100111101 |
3 | 20120221020101201020121 |
4 | 1000030320033330331 |
5 | 2112140000024413 |
6 | 51400224014541 |
7 | 4660200332122 |
oct | 1001470177475 |
9 | 216836351217 |
10 | 68935548733 |
11 | 27265358087 |
12 | 1143a461451 |
13 | 6667a6242c |
14 | 349d4cc749 |
15 | 1bd6e4cb8d |
hex | 100ce0ff3d |
68935548733 has 4 divisors (see below), whose sum is σ = 71932746528. Its totient is φ = 65938350940.
The previous prime is 68935548719. The next prime is 68935548827. The reversal of 68935548733 is 33784553986.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68935548733 - 25 = 68935548701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68935542733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498598863 + ... + 1498598908.
It is an arithmetic number, because the mean of its divisors is an integer number (17983186632).
Almost surely, 268935548733 is an apocalyptic number.
It is an amenable number.
68935548733 is a deficient number, since it is larger than the sum of its proper divisors (2997197795).
68935548733 is a wasteful number, since it uses less digits than its factorization.
68935548733 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2997197794.
The product of its digits is 65318400, while the sum is 61.
The spelling of 68935548733 in words is "sixty-eight billion, nine hundred thirty-five million, five hundred forty-eight thousand, seven hundred thirty-three".
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