Base | Representation |
---|---|
bin | 100000000000011000… |
… | …0111100000111110111 |
3 | 20120102001221220111200 |
4 | 1000000300330013313 |
5 | 2111230432242121 |
6 | 51324123503543 |
7 | 4652151650343 |
oct | 1000060740767 |
9 | 216361856450 |
10 | 68732305911 |
11 | 2717065a805 |
12 | 113a2387bb3 |
13 | 66349110c9 |
14 | 3480504623 |
15 | 1bc41a2a26 |
hex | 1000c3c1f7 |
68732305911 has 12 divisors (see below), whose sum is σ = 99282869400. Its totient is φ = 45820211760.
The previous prime is 68732305909. The next prime is 68732305927. The reversal of 68732305911 is 11950323786.
It is not a de Polignac number, because 68732305911 - 21 = 68732305909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68732305111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297081 + ... + 475101.
It is an arithmetic number, because the mean of its divisors is an integer number (8273572450).
Almost surely, 268732305911 is an apocalyptic number.
68732305911 is a deficient number, since it is larger than the sum of its proper divisors (30550563489).
68732305911 is a wasteful number, since it uses less digits than its factorization.
68732305911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220926 (or 220923 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The spelling of 68732305911 in words is "sixty-eight billion, seven hundred thirty-two million, three hundred five thousand, nine hundred eleven".
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