Base | Representation |
---|---|
bin | 10010110101010101… |
… | …10010010011000101 |
3 | 222002122211002210221 |
4 | 21122222302103011 |
5 | 131201420200401 |
6 | 4351151544341 |
7 | 505363634644 |
oct | 113252622305 |
9 | 28078732727 |
10 | 10111100101 |
11 | 43194a8183 |
12 | 1b6222b0b1 |
13 | c51a1948b |
14 | 6bcc0335b |
15 | 3e2a067a1 |
hex | 25aab24c5 |
10111100101 has 4 divisors (see below), whose sum is σ = 10119520204. Its totient is φ = 10102680000.
The previous prime is 10111100093. The next prime is 10111100137. The reversal of 10111100101 is 10100111101.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1157020225 + 8954079876 = 34015^2 + 94626^2 .
It is a cyclic number.
It is not a de Polignac number, because 10111100101 - 23 = 10111100093 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 (10111100801) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208250 + ... + 4210651.
It is an arithmetic number, because the mean of its divisors is an integer number (2529880051).
Almost surely, 210111100101 is an apocalyptic number.
It is an amenable number.
10111100101 is a deficient number, since it is larger than the sum of its proper divisors (8420103).
10111100101 is an equidigital number, since it uses as much as digits as its factorization.
10111100101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8420102.
The product of its (nonzero) digits is 1, while the sum is 7.
Adding to 10111100101 its reverse (10100111101), we get a palindrome (20211211202).
The spelling of 10111100101 in words is "ten billion, one hundred eleven million, one hundred thousand, one hundred one".
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