Search a number
-
+
10200013 = 67152239
BaseRepresentation
bin100110111010…
…001111001101
3201012012210021
4212322033031
510102400023
61002342141
7152461435
oct46721715
921165707
1010200013
11583746a
1234ba951
132161915
1414d72c5
15d6735d
hex9ba3cd

10200013 has 4 divisors (see below), whose sum is σ = 10352320. Its totient is φ = 10047708.

The previous prime is 10200011. The next prime is 10200037. The reversal of 10200013 is 31000201.

10200013 is digitally balanced in base 3, 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: 31000201 = 281110321.

It is a cyclic number.

It is not a de Polignac number, because 10200013 - 21 = 10200011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10199969 and 10200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200011) 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, 76053 + ... + 76186.

It is an arithmetic number, because the mean of its divisors is an integer number (2588080).

Almost surely, 210200013 is an apocalyptic number.

It is an amenable number.

10200013 is a deficient number, since it is larger than the sum of its proper divisors (152307).

10200013 is an equidigital number, since it uses as much as digits as its factorization.

10200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152306.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 10200013 is about 3193.7459197626. The cubic root of 10200013 is about 216.8703806594.

Adding to 10200013 its reverse (31000201), we get a palindrome (41200214).

The spelling of 10200013 in words is "ten million, two hundred thousand, thirteen".

Divisors: 1 67 152239 10200013