Base | Representation |
---|---|
bin | 10010110101010101… |
… | …10100101101100100 |
3 | 222002122211121101010 |
4 | 21122222310231210 |
5 | 131201421004423 |
6 | 4351152102220 |
7 | 505364005530 |
oct | 113252645544 |
9 | 28078747333 |
10 | 10111109988 |
11 | 4319504651 |
12 | 1b62234970 |
13 | c51a20b25 |
14 | 6bcc06bc0 |
15 | 3e2a09693 |
hex | 25aab4b64 |
10111109988 has 48 divisors (see below), whose sum is σ = 27332332160. Its totient is φ = 2849313024.
The previous prime is 10111109969. The next prime is 10111109989. The reversal of 10111109988 is 88990111101.
10111109988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (10111109989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818323 + ... + 830586.
Almost surely, 210111109988 is an apocalyptic number.
It is an amenable number.
10111109988 is an abundant number, since it is smaller than the sum of its proper divisors (17221222172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10111109988 is a wasteful number, since it uses less digits than its factorization.
10111109988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1648996 (or 1648994 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 39.
The spelling of 10111109988 in words is "ten billion, one hundred eleven million, one hundred nine thousand, nine hundred eighty-eight".
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