Base | Representation |
---|---|
bin | 1100001100011… |
… | …11100101101101 |
3 | 21010111101020101 |
4 | 12012033211231 |
5 | 202142100023 |
6 | 14052351101 |
7 | 2351351524 |
oct | 606174555 |
9 | 233441211 |
10 | 102300013 |
11 | 52822572 |
12 | 2a315491 |
13 | 1826a66a |
14 | d82d4bb |
15 | 8eab1ad |
hex | 618f96d |
102300013 has 4 divisors (see below), whose sum is σ = 102365280. Its totient is φ = 102234748.
The previous prime is 102300001. The next prime is 102300019. The reversal of 102300013 is 310003201.
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: 310003201 = 53 ⋅5849117.
It is a cyclic number.
It is not a de Polignac number, because 102300013 - 213 = 102291821 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 (102300019) 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, 30223 + ... + 33436.
It is an arithmetic number, because the mean of its divisors is an integer number (25591320).
Almost surely, 2102300013 is an apocalyptic number.
It is an amenable number.
102300013 is a deficient number, since it is larger than the sum of its proper divisors (65267).
102300013 is an equidigital number, since it uses as much as digits as its factorization.
102300013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65266.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 102300013 is about 10114.3468894437. The cubic root of 102300013 is about 467.6905157331.
Adding to 102300013 its reverse (310003201), we get a palindrome (412303214).
The spelling of 102300013 in words is "one hundred two million, three hundred thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •