Base | Representation |
---|---|
bin | 10010110110101000… |
… | …11010010111000101 |
3 | 222010102100111021002 |
4 | 21123110122113011 |
5 | 131212213341401 |
6 | 4352221503045 |
7 | 505555453235 |
oct | 113324322705 |
9 | 28112314232 |
10 | 10122012101 |
11 | 4324680563 |
12 | 1b65a11a85 |
13 | c5406a196 |
14 | 6c0443cc5 |
15 | 3e395ea6b |
hex | 25b51a5c5 |
10122012101 has 4 divisors (see below), whose sum is σ = 10654749600. Its totient is φ = 9589274604.
The previous prime is 10122012059. The next prime is 10122012119. The reversal of 10122012101 is 10121022101.
10122012101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10122012101 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 (10122012181) 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 3 ways as a sum of consecutive naturals, for example, 266368721 + ... + 266368758.
It is an arithmetic number, because the mean of its divisors is an integer number (2663687400).
Almost surely, 210122012101 is an apocalyptic number.
It is an amenable number.
10122012101 is a deficient number, since it is larger than the sum of its proper divisors (532737499).
10122012101 is an equidigital number, since it uses as much as digits as its factorization.
10122012101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532737498.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 10122012101 its reverse (10121022101), we get a palindrome (20243034202).
The spelling of 10122012101 in words is "ten billion, one hundred twenty-two million, twelve thousand, one hundred one".
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