Base | Representation |
---|---|
bin | 111111010110011101… |
… | …0110011000111101100 |
3 | 111000011012211011220020 |
4 | 1332230322303013230 |
5 | 4212110020043233 |
6 | 142255342122140 |
7 | 12554216052261 |
oct | 1765472630754 |
9 | 430135734806 |
10 | 136045081068 |
11 | 527729a0aa6 |
12 | 22449280350 |
13 | caa13c5a90 |
14 | 6828291268 |
15 | 38139039b3 |
hex | 1faceb31ec |
136045081068 has 96 divisors (see below), whose sum is σ = 355764648960. Its totient is φ = 40174337280.
The previous prime is 136045081063. The next prime is 136045081157. The reversal of 136045081068 is 860180540631.
It is not an unprimeable number, because it can be changed into a prime (136045081061) 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, 665473 + ... + 845543.
It is an arithmetic number, because the mean of its divisors is an integer number (3705881760).
Almost surely, 2136045081068 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 136045081068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177882324480).
136045081068 is an abundant number, since it is smaller than the sum of its proper divisors (219719567892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136045081068 is a wasteful number, since it uses less digits than its factorization.
136045081068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180287 (or 180285 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The spelling of 136045081068 in words is "one hundred thirty-six billion, forty-five million, eighty-one thousand, sixty-eight".
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