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13012043204 = 2216571963193
BaseRepresentation
bin11000001111001010…
…00000010111000100
31020120211110021122002
430013211000113010
5203122040340304
65551101124432
7640310354006
oct140745002704
936524407562
1013012043204
115577a60716
122631859718
1312c4a2a564
148b61c2376
1551253031e
hex3079405c4

13012043204 has 12 divisors (see below), whose sum is σ = 22784829564. Its totient is φ = 6502091904.

The previous prime is 13012043203. The next prime is 13012043221. The reversal of 13012043204 is 40234021031.

It can be written as a sum of positive squares in 2 ways, for example, as 1306967104 + 11705076100 = 36152^2 + 108190^2 .

It is not an unprimeable number, because it can be changed into a prime (13012043203) 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, 974969 + ... + 988224.

It is an arithmetic number, because the mean of its divisors is an integer number (1898735797).

Almost surely, 213012043204 is an apocalyptic number.

It is an amenable number.

13012043204 is a deficient number, since it is larger than the sum of its proper divisors (9772786360).

13012043204 is a wasteful number, since it uses less digits than its factorization.

13012043204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964854 (or 1964852 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13012043204 its reverse (40234021031), we get a palindrome (53246064235).

The spelling of 13012043204 in words is "thirteen billion, twelve million, forty-three thousand, two hundred four".

Divisors: 1 2 4 1657 3314 6628 1963193 3926386 7852772 3253010801 6506021602 13012043204