Search a number
-
+
2013221331111 = 31739474928061
BaseRepresentation
bin11101010010111101010…
…101111010000010100111
321010110110212010001122010
4131102331111322002213
5230441034130043421
64140510000005303
7265310333651634
oct35227525720247
97113425101563
102013221331111
11706890a58611
12286213900833
13117acc74b613
146d62479118b
153757da9e076
hex1d4bd57a0a7

2013221331111 has 8 divisors (see below), whose sum is σ = 2842194820464. Its totient is φ = 1263197697920.

The previous prime is 2013221330987. The next prime is 2013221331139. The reversal of 2013221331111 is 1111331223102.

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 2013221331111 - 27 = 2013221330983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013221331211) 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 7 ways as a sum of consecutive naturals, for example, 19737463980 + ... + 19737464081.

It is an arithmetic number, because the mean of its divisors is an integer number (355274352558).

Almost surely, 22013221331111 is an apocalyptic number.

2013221331111 is a deficient number, since it is larger than the sum of its proper divisors (828973489353).

2013221331111 is a wasteful number, since it uses less digits than its factorization.

2013221331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39474928081.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2013221331111 its reverse (1111331223102), we get a palindrome (3124552554213).

The spelling of 2013221331111 in words is "two trillion, thirteen billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred eleven".

Divisors: 1 3 17 51 39474928061 118424784183 671073777037 2013221331111