Base | Representation |
---|---|
bin | 10010101000001101… |
… | …10101010110001111 |
3 | 221210222200001110222 |
4 | 21110012311112033 |
5 | 130440224341421 |
6 | 4332220221555 |
7 | 502556125466 |
oct | 112406652617 |
9 | 27728601428 |
10 | 10001012111 |
11 | 4272346472 |
12 | 1b3139a8bb |
13 | c34c8305c |
14 | 6ac3479dd |
15 | 3d800ccab |
hex | 2541b558f |
10001012111 has 8 divisors (see below), whose sum is σ = 10235136384. Its totient is φ = 9766958040.
The previous prime is 10001012101. The next prime is 10001012113. The reversal of 10001012111 is 11121010001.
It is a happy number.
10001012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10001012111 - 214 = 10000995727 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10001012113) 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 7 ways as a sum of consecutive naturals, for example, 369056 + ... + 395226.
It is an arithmetic number, because the mean of its divisors is an integer number (1279392048).
Almost surely, 210001012111 is an apocalyptic number.
10001012111 is a deficient number, since it is larger than the sum of its proper divisors (234124273).
10001012111 is an equidigital number, since it uses as much as digits as its factorization.
10001012111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35101.
The product of its (nonzero) digits is 2, while the sum is 8.
Adding to 10001012111 its reverse (11121010001), we get a palindrome (21122022112).
The spelling of 10001012111 in words is "ten billion, one million, twelve thousand, one hundred eleven".
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