Base | Representation |
---|---|
bin | 100110101100… |
… | …001001100111 |
3 | 201002021122011 |
4 | 212230021213 |
5 | 10044023221 |
6 | 1001215051 |
7 | 152131264 |
oct | 46541147 |
9 | 21067564 |
10 | 10142311 |
11 | 57a8083 |
12 | 3491487 |
13 | 214158a |
14 | 14c026b |
15 | d551e1 |
hex | 9ac267 |
10142311 has 4 divisors (see below), whose sum is σ = 10166824. Its totient is φ = 10117800.
The previous prime is 10142309. The next prime is 10142317. The reversal of 10142311 is 11324101.
10142311 is digitally balanced in base 2 and base 3, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 11324101 = 61 ⋅185641.
It is a cyclic number.
It is not a de Polignac number, because 10142311 - 21 = 10142309 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10142291 and 10142300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10142317) 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, 11625 + ... + 12466.
It is an arithmetic number, because the mean of its divisors is an integer number (2541706).
Almost surely, 210142311 is an apocalyptic number.
10142311 is a deficient number, since it is larger than the sum of its proper divisors (24513).
10142311 is an equidigital number, since it uses as much as digits as its factorization.
10142311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24512.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 10142311 is about 3184.6995148679. The cubic root of 10142311 is about 216.4606580992.
Adding to 10142311 its reverse (11324101), we get a palindrome (21466412).
The spelling of 10142311 in words is "ten million, one hundred forty-two thousand, three hundred eleven".
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