Search a number
-
+
2112020212013 = 19111158958527
BaseRepresentation
bin11110101110111110001…
…101101110100100101101
321110220111022122020020022
4132232332031232210231
5234100404133241023
64254125414531525
7305405554411325
oct36567615564455
97426438566208
102112020212013
117447803930a8
122a13a7366ba5
131242164643aa
14743180b0285
1539e1262b7c8
hex1ebbe36e92d

2112020212013 has 4 divisors (see below), whose sum is σ = 2223179170560. Its totient is φ = 2000861253468.

The previous prime is 2112020212007. The next prime is 2112020212087. The reversal of 2112020212013 is 3102120202112.

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.

It is a cyclic number.

It is not a de Polignac number, because 2112020212013 - 28 = 2112020211757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112020211982 and 2112020212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020211013) 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, 55579479245 + ... + 55579479282.

It is an arithmetic number, because the mean of its divisors is an integer number (555794792640).

Almost surely, 22112020212013 is an apocalyptic number.

It is an amenable number.

2112020212013 is a deficient number, since it is larger than the sum of its proper divisors (111158958547).

2112020212013 is a wasteful number, since it uses less digits than its factorization.

2112020212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111158958546.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2112020212013 its reverse (3102120202112), we get a palindrome (5214140414125).

Subtracting 2112020212013 from its reverse (3102120202112), we obtain a palindrome (990099990099).

The spelling of 2112020212013 in words is "two trillion, one hundred twelve billion, twenty million, two hundred twelve thousand, thirteen".

Divisors: 1 19 111158958527 2112020212013