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2013221333113 = 8973333084749
BaseRepresentation
bin11101010010111101010…
…101111010100001111001
321010110110212010011101021
4131102331111322201321
5230441034130124423
64140510000022441
7265310333660524
oct35227525724171
97113425104337
102013221333113
11706890a5a071
12286213901a21
13117acc74c4c3
146d624791bbb
153757da9e95d
hex1d4bd57a879

2013221333113 has 8 divisors (see below), whose sum is σ = 2036120085000. Its totient is φ = 1990328765568.

The previous prime is 2013221333077. The next prime is 2013221333141. The reversal of 2013221333113 is 3113331223102.

It can be written as a sum of positive squares in 4 ways, for example, as 6941722489 + 2006279610624 = 83317^2 + 1416432^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2013221333113 is a prime.

It is a super-2 number, since 2×20132213331132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013221333213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889738 + ... + 2195011.

It is an arithmetic number, because the mean of its divisors is an integer number (254515010625).

Almost surely, 22013221333113 is an apocalyptic number.

It is an amenable number.

2013221333113 is a deficient number, since it is larger than the sum of its proper divisors (22898751887).

2013221333113 is an equidigital number, since it uses as much as digits as its factorization.

2013221333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092171.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2013221333113 its reverse (3113331223102), we get a palindrome (5126552556215).

The spelling of 2013221333113 in words is "two trillion, thirteen billion, two hundred twenty-one million, three hundred thirty-three thousand, one hundred thirteen".

Divisors: 1 89 7333 652637 3084749 274542661 22620464417 2013221333113