Base | Representation |
---|---|
bin | 11111010110010011011100… |
… | …00010101110000010110100 |
3 | 100001002020001100002021112122 |
4 | 33223021232002232002310 |
5 | 33013422033223314234 |
6 | 402340443255135112 |
7 | 20343316052663105 |
oct | 1753115602560264 |
9 | 301066040067478 |
10 | 68936071307444 |
11 | 1aa68695103320 |
12 | 7894332974498 |
13 | 2c6084a098243 |
14 | 1304748c983ac |
15 | 7e82bab8e92e |
hex | 3eb26e0ae0b4 |
68936071307444 has 96 divisors (see below), whose sum is σ = 142284098396160. Its totient is φ = 28897529443200.
The previous prime is 68936071307407. The next prime is 68936071307449. The reversal of 68936071307444 is 44470317063986.
68936071307444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68936071307449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4354727 + ... + 12523409.
It is an arithmetic number, because the mean of its divisors is an integer number (1482126024960).
Almost surely, 268936071307444 is an apocalyptic number.
It is an amenable number.
68936071307444 is an abundant number, since it is smaller than the sum of its proper divisors (73348027088716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68936071307444 is a wasteful number, since it uses less digits than its factorization.
68936071307444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8169021 (or 8169019 counting only the distinct ones).
The product of its (nonzero) digits is 73156608, while the sum is 62.
The spelling of 68936071307444 in words is "sixty-eight trillion, nine hundred thirty-six billion, seventy-one million, three hundred seven thousand, four hundred forty-four".
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