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13068144 = 2432151601
BaseRepresentation
bin110001110110…
…011101110000
3220120221010100
4301312131300
511321140034
61144032400
7216035355
oct61663560
926527110
1013068144
117416321
124462700
13292723b
141a4262c
151232099
hexc76770

13068144 has 60 divisors (see below), whose sum is σ = 36876112. Its totient is φ = 4320000.

The previous prime is 13068127. The next prime is 13068169. The reversal of 13068144 is 44186031.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21444 + ... + 22044.

Almost surely, 213068144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13068144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18438056).

13068144 is an abundant number, since it is smaller than the sum of its proper divisors (23807968).

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

13068144 is a wasteful number, since it uses less digits than its factorization.

13068144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13068144 is about 3614.9887966631. The cubic root of 13068144 is about 235.5435974837.

The spelling of 13068144 in words is "thirteen million, sixty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 151 302 453 601 604 906 1202 1208 1359 1803 1812 2404 2416 2718 3606 3624 4808 5409 5436 7212 7248 9616 10818 10872 14424 21636 21744 28848 43272 86544 90751 181502 272253 363004 544506 726008 816759 1089012 1452016 1633518 2178024 3267036 4356048 6534072 13068144