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13004047452 = 2231198515511
BaseRepresentation
bin11000001110001101…
…00000010001011100
31020120021102001112010
430013012200101130
5203113014004302
65550213511220
7640152402534
oct140706402134
936507361463
1013004047452
11557349a360
12262b042510
1312c318b046
148b51004c4
155119a116c
hex3071a045c

13004047452 has 24 divisors (see below), whose sum is σ = 33101212032. Its totient is φ = 3940620400.

The previous prime is 13004047447. The next prime is 13004047453. The reversal of 13004047452 is 25474040031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004047453) 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 7 ways as a sum of consecutive naturals, for example, 49257624 + ... + 49257887.

It is an arithmetic number, because the mean of its divisors is an integer number (1379217168).

Almost surely, 213004047452 is an apocalyptic number.

13004047452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13004047452 is an abundant number, since it is smaller than the sum of its proper divisors (20097164580).

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

13004047452 is a wasteful number, since it uses less digits than its factorization.

13004047452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98515529 (or 98515527 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 13004047452 its reverse (25474040031), we get a palindrome (38478087483).

The spelling of 13004047452 in words is "thirteen billion, four million, forty-seven thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 98515511 197031022 295546533 394062044 591093066 1083670621 1182186132 2167341242 3251011863 4334682484 6502023726 13004047452