Base | Representation |
---|---|
bin | 10101110100111011… |
… | …01110000111101100 |
3 | 1010020200000200221012 |
4 | 22322131232013230 |
5 | 142444340202402 |
6 | 5214443324352 |
7 | 563250542345 |
oct | 127235560754 |
9 | 33220020835 |
10 | 11718287852 |
11 | 4a73739117 |
12 | 23305206b8 |
13 | 114999aa4b |
14 | 7d24490cc |
15 | 488b75452 |
hex | 2ba76e1ec |
11718287852 has 48 divisors (see below), whose sum is σ = 20996569440. Its totient is φ = 5721408000.
The previous prime is 11718287837. The next prime is 11718287857. The reversal of 11718287852 is 25878281711.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 11718287852.
It is not an unprimeable number, because it can be changed into a prime (11718287857) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12373643 + ... + 12374589.
It is an arithmetic number, because the mean of its divisors is an integer number (437428530).
Almost surely, 211718287852 is an apocalyptic number.
It is an amenable number.
11718287852 is a deficient number, since it is larger than the sum of its proper divisors (9278281588).
11718287852 is a wasteful number, since it uses less digits than its factorization.
11718287852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1442 (or 1440 counting only the distinct ones).
The product of its digits is 501760, while the sum is 50.
The spelling of 11718287852 in words is "eleven billion, seven hundred eighteen million, two hundred eighty-seven thousand, eight hundred fifty-two".
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