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13030203211 = 191637975279
BaseRepresentation
bin11000010001010100…
…10001111101001011
31020122002121220110221
430020222101331023
5203141213000321
65552550250511
7640620620434
oct141052217513
936562556427
1013030203211
115587234593
122637956a37
1312c871831c
148b878c48b
15513e1ae41
hex308a91f4b

13030203211 has 16 divisors (see below), whose sum is σ = 13820083200. Its totient is φ = 12250955808.

The previous prime is 13030203209. The next prime is 13030203217. The reversal of 13030203211 is 11230203031.

It is a cyclic number.

It is not a de Polignac number, because 13030203211 - 21 = 13030203209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13030203217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465670 + ... + 2470948.

It is an arithmetic number, because the mean of its divisors is an integer number (863755200).

Almost surely, 213030203211 is an apocalyptic number.

13030203211 is a deficient number, since it is larger than the sum of its proper divisors (789879989).

13030203211 is a wasteful number, since it uses less digits than its factorization.

13030203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6258.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13030203211 its reverse (11230203031), we get a palindrome (24260406242).

The spelling of 13030203211 in words is "thirteen billion, thirty million, two hundred three thousand, two hundred eleven".

Divisors: 1 19 163 797 3097 5279 15143 100301 129911 860477 2468309 4207363 16349063 79939897 685800169 13030203211