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1230330013 = 11775714419
BaseRepresentation
bin100100101010101…
…0101100010011101
310011202002020111021
41021111111202131
510004431030023
6322030124141
742326426653
oct11125254235
93152066437
101230330013
11581542170
122a4050651
13167b83733
14b9586dd3
157302c35d
hex4955589d

1230330013 has 8 divisors (see below), whose sum is σ = 1342444320. Its totient is φ = 1118260080.

The previous prime is 1230330011. The next prime is 1230330041. The reversal of 1230330013 is 3100330321.

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 1230330013 - 21 = 1230330011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230330011) 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, 78118 + ... + 92536.

It is an arithmetic number, because the mean of its divisors is an integer number (167805540).

Almost surely, 21230330013 is an apocalyptic number.

It is an amenable number.

1230330013 is a deficient number, since it is larger than the sum of its proper divisors (112114307).

1230330013 is a wasteful number, since it uses less digits than its factorization.

1230330013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22187.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1230330013 is about 35076.0603973707. The cubic root of 1230330013 is about 1071.5370848478.

Adding to 1230330013 its reverse (3100330321), we get a palindrome (4330660334).

The spelling of 1230330013 in words is "one billion, two hundred thirty million, three hundred thirty thousand, thirteen".

Divisors: 1 11 7757 14419 85327 158609 111848183 1230330013