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13200111020 = 225660005551
BaseRepresentation
bin11000100101100100…
…11011010110101100
31021001221100010011202
430102302123112230
5204013212023040
610021500105032
7645053043455
oct142262332654
937057303152
1013200111020
115664133868
122684835178
1313249976a5
148d317a12c
15523cce015
hex312c9b5ac

13200111020 has 12 divisors (see below), whose sum is σ = 27720233184. Its totient is φ = 5280044400.

The previous prime is 13200111019. The next prime is 13200111037. The reversal of 13200111020 is 2011100231.

13200111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13200110992 and 13200111010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330002756 + ... + 330002795.

It is an arithmetic number, because the mean of its divisors is an integer number (2310019432).

Almost surely, 213200111020 is an apocalyptic number.

13200111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13200111020 is an abundant number, since it is smaller than the sum of its proper divisors (14520122164).

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

13200111020 is a wasteful number, since it uses less digits than its factorization.

13200111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660005560 (or 660005558 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 13200111020 its reverse (2011100231), we get a palindrome (15211211251).

The spelling of 13200111020 in words is "thirteen billion, two hundred million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 660005551 1320011102 2640022204 3300027755 6600055510 13200111020