Base | Representation |
---|---|
bin | 10010110101010100… |
… | …11100010100110101 |
3 | 222002122122112100121 |
4 | 21122222130110311 |
5 | 131201404310401 |
6 | 4351150011541 |
7 | 505363111363 |
oct | 113252342465 |
9 | 28078575317 |
10 | 10111010101 |
11 | 43194465a5 |
12 | 1b621a6bb1 |
13 | c519b751a |
14 | 6bcbbc633 |
15 | 3e29d9ca1 |
hex | 25aa9c535 |
10111010101 has 4 divisors (see below), whose sum is σ = 10112401152. Its totient is φ = 10109619052.
The previous prime is 10111010099. The next prime is 10111010137. The reversal of 10111010101 is 10101011101.
It is a happy number.
10111010101 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, and also an emirpimes, since its reverse is a distinct semiprime: 10101011101 = 59699 ⋅169199.
It is a cyclic number.
It is not a de Polignac number, because 10111010101 - 21 = 10111010099 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 (10111010171) 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, 684565 + ... + 699178.
It is an arithmetic number, because the mean of its divisors is an integer number (2528100288).
Almost surely, 210111010101 is an apocalyptic number.
It is an amenable number.
10111010101 is a deficient number, since it is larger than the sum of its proper divisors (1391051).
10111010101 is an equidigital number, since it uses as much as digits as its factorization.
10111010101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1391050.
The product of its (nonzero) digits is 1, while the sum is 7.
Adding to 10111010101 its reverse (10101011101), we get a palindrome (20212021202).
It can be divided in two parts, 10 and 111010101, that added together give a palindrome (111010111).
The spelling of 10111010101 in words is "ten billion, one hundred eleven million, ten thousand, one hundred one".
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