Search a number
-
+
111020101213 = 717932942027
BaseRepresentation
bin110011101100101010…
…0000100111001011101
3101121120011220111011111
41213121110010321131
53304332121214323
6123000230022021
711010116201320
oct1473124047135
9347504814144
10111020101213
11430a0a5326a
12196244a7911
13a6139545a8
1455328847b7
152d4b949c0d
hex19d9504e5d

111020101213 has 8 divisors (see below), whose sum is σ = 134343652032. Its totient is φ = 89562434496.

The previous prime is 111020101207. The next prime is 111020101277. The reversal of 111020101213 is 312101020111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111020101213 - 213 = 111020093021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111020101193 and 111020101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020191213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466470895 + ... + 466471132.

It is an arithmetic number, because the mean of its divisors is an integer number (16792956504).

Almost surely, 2111020101213 is an apocalyptic number.

It is an amenable number.

111020101213 is a deficient number, since it is larger than the sum of its proper divisors (23323550819).

111020101213 is an equidigital number, since it uses as much as digits as its factorization.

111020101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932942051.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111020101213 its reverse (312101020111), we get a palindrome (423121121324).

The spelling of 111020101213 in words is "one hundred eleven billion, twenty million, one hundred one thousand, two hundred thirteen".

Divisors: 1 7 17 119 932942027 6530594189 15860014459 111020101213