Search a number
-
+
10200120011 = 21148341801
BaseRepresentation
bin10010111111111100…
…10111101011001011
3222022212022210011122
421133332113223023
5131342212320021
64404051545455
7510524406134
oct113776275313
928285283148
1010200120011
11436477a154
121b87bbb28b
13c672b7293
146ca976c8b
153ea73cbab
hex25ff97acb

10200120011 has 4 divisors (see below), whose sum is σ = 10248462024. Its totient is φ = 10151778000.

The previous prime is 10200120001. The next prime is 10200120013. The reversal of 10200120011 is 11002100201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11002100201 = 82313368287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10200120011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10200120013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24170690 + ... + 24171111.

It is an arithmetic number, because the mean of its divisors is an integer number (2562115506).

Almost surely, 210200120011 is an apocalyptic number.

10200120011 is a deficient number, since it is larger than the sum of its proper divisors (48342013).

10200120011 is an equidigital number, since it uses as much as digits as its factorization.

10200120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48342012.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10200120011 its reverse (11002100201), we get a palindrome (21202220212).

The spelling of 10200120011 in words is "ten billion, two hundred million, one hundred twenty thousand, eleven".

Divisors: 1 211 48341801 10200120011