Base | Representation |
---|---|
bin | 10101110100100100… |
… | …01110101111111000 |
3 | 1010020110100200010112 |
4 | 22322102032233320 |
5 | 142443102311033 |
6 | 5214255003452 |
7 | 563213125640 |
oct | 127222165770 |
9 | 33213320115 |
10 | 11715275768 |
11 | 4a71a71099 |
12 | 232b509588 |
13 | 1149184a51 |
14 | 7d1ca3520 |
15 | 48877cc48 |
hex | 2ba48ebf8 |
11715275768 has 64 divisors (see below), whose sum is σ = 26490240000. Its totient is φ = 4748527872.
The previous prime is 11715275749. The next prime is 11715275779. The reversal of 11715275768 is 86757251711.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 63533 + ... + 165731.
It is an arithmetic number, because the mean of its divisors is an integer number (413910000).
Almost surely, 211715275768 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 11715275768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13245120000).
11715275768 is an abundant number, since it is smaller than the sum of its proper divisors (14774964232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11715275768 is a wasteful number, since it uses less digits than its factorization.
11715275768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102324 (or 102320 counting only the distinct ones).
The product of its digits is 823200, while the sum is 50.
The spelling of 11715275768 in words is "eleven billion, seven hundred fifteen million, two hundred seventy-five thousand, seven hundred sixty-eight".
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