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13230012011 = 31617691693
BaseRepresentation
bin11000101001001000…
…11111011001101011
31021011000121020121212
430110210133121223
5204043340341021
610024445023335
7645565150406
oct142444373153
937130536555
1013230012011
115679aa6927
122692854b4b
13132ac36598
148d7120d3d
1552673885b
hex31491f66b

13230012011 has 8 divisors (see below), whose sum is σ = 13678940544. Its totient is φ = 12782468160.

The previous prime is 13230012007. The next prime is 13230012031. The reversal of 13230012011 is 11021003231.

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 13230012011 - 22 = 13230012007 is a prime.

It is a super-2 number, since 2×132300120112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13230012001) 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, 326720 + ... + 364973.

It is an arithmetic number, because the mean of its divisors is an integer number (1709867568).

Almost surely, 213230012011 is an apocalyptic number.

13230012011 is a deficient number, since it is larger than the sum of its proper divisors (448928533).

13230012011 is an equidigital number, since it uses as much as digits as its factorization.

13230012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692341.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13230012011 its reverse (11021003231), we get a palindrome (24251015242).

The spelling of 13230012011 in words is "thirteen billion, two hundred thirty million, twelve thousand, eleven".

Divisors: 1 31 617 19127 691693 21442483 426774581 13230012011