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1111202013 = 32316104377
BaseRepresentation
bin100001000111011…
…1001100011011101
32212102220220121010
41002032321203131
54233431431023
6302132525433
736352030005
oct10216714335
92772826533
101111202013
11520276579
12270180879
131492a36ac
14a7817005
156784a093
hex423b98dd

1111202013 has 8 divisors (see below), whose sum is σ = 1546020288. Its totient is φ = 708592544.

The previous prime is 1111202011. The next prime is 1111202033. The reversal of 1111202013 is 3102021111.

1111202013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1111202013 - 21 = 1111202011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111202011) 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, 8052120 + ... + 8052257.

It is an arithmetic number, because the mean of its divisors is an integer number (193252536).

Almost surely, 21111202013 is an apocalyptic number.

It is an amenable number.

1111202013 is a deficient number, since it is larger than the sum of its proper divisors (434818275).

1111202013 is a wasteful number, since it uses less digits than its factorization.

1111202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104403.

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

The square root of 1111202013 is about 33334.6968337797. The cubic root of 1111202013 is about 1035.7724132115.

Adding to 1111202013 its reverse (3102021111), we get a palindrome (4213223124).

The spelling of 1111202013 in words is "one billion, one hundred eleven million, two hundred two thousand, thirteen".

Divisors: 1 3 23 69 16104377 48313131 370400671 1111202013