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13200030224 = 242928448341
BaseRepresentation
bin11000100101100100…
…00111101000010000
31021001221012000100022
430102302013220100
5204013201431344
610021454243012
7645052256063
oct142262075020
937057160308
1013200030224
115664089097
1226847b6468
131324969994
148d31588da
15523cb50ee
hex312c87a10

13200030224 has 20 divisors (see below), whose sum is σ = 26456958060. Its totient is φ = 6372428160.

The previous prime is 13200030223. The next prime is 13200030241. The reversal of 13200030224 is 42203000231.

It can be written as a sum of positive squares in 2 ways, for example, as 4594128400 + 8605901824 = 67780^2 + 92768^2 .

It is not an unprimeable number, because it can be changed into a prime (13200030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14223707 + ... + 14224634.

It is an arithmetic number, because the mean of its divisors is an integer number (1322847903).

Almost surely, 213200030224 is an apocalyptic number.

It is an amenable number.

13200030224 is an abundant number, since it is smaller than the sum of its proper divisors (13256927836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13200030224 is a wasteful number, since it uses less digits than its factorization.

13200030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28448378 (or 28448372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 13200030224 its reverse (42203000231), we get a palindrome (55403030455).

The spelling of 13200030224 in words is "thirteen billion, two hundred million, thirty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 29 58 116 232 464 28448341 56896682 113793364 227586728 455173456 825001889 1650003778 3300007556 6600015112 13200030224