Base | Representation |
---|---|
bin | 10010110101010110… |
… | …01010101101100101 |
3 | 222002200000011222122 |
4 | 21122223022231211 |
5 | 131201431400401 |
6 | 4351154035325 |
7 | 505364532332 |
oct | 113253125545 |
9 | 28080004878 |
10 | 10111200101 |
11 | 4319566322 |
12 | 1b62278b45 |
13 | c51a52b52 |
14 | 6bcc2b989 |
15 | 3e2a2621b |
hex | 25aacab65 |
10111200101 has 2 divisors, whose sum is σ = 10111200102. Its totient is φ = 10111200100.
The previous prime is 10111200089. The next prime is 10111200139. The reversal of 10111200101 is 10100211101.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10054875076 + 56325025 = 100274^2 + 7505^2 .
It is an emirp because it is prime and its reverse (10100211101) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10111200101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10111200181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055600050 + 5055600051.
It is an arithmetic number, because the mean of its divisors is an integer number (5055600051).
Almost surely, 210111200101 is an apocalyptic number.
It is an amenable number.
10111200101 is a deficient number, since it is larger than the sum of its proper divisors (1).
10111200101 is an equidigital number, since it uses as much as digits as its factorization.
10111200101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2, while the sum is 8.
Adding to 10111200101 its reverse (10100211101), we get a palindrome (20211411202).
The spelling of 10111200101 in words is "ten billion, one hundred eleven million, two hundred thousand, one hundred one".
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