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13142243240 = 2357232831069
BaseRepresentation
bin11000011110101011…
…01011011110101000
31020220220110010111122
430033111223132220
5203403403240430
610012031514412
7643451136650
oct141725533650
936826403448
1013142243240
1156344a9955
122669388a08
1313159b60b9
148c95d5360
1551db9cee5
hex30f56b7a8

13142243240 has 192 divisors, whose sum is σ = 35786620800. Its totient is φ = 4254091776.

The previous prime is 13142243239. The next prime is 13142243273. The reversal of 13142243240 is 4234224131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12293426 + ... + 12294494.

It is an arithmetic number, because the mean of its divisors is an integer number (186388650).

Almost surely, 213142243240 is an apocalyptic number.

13142243240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13142243240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17893310400).

13142243240 is an abundant number, since it is smaller than the sum of its proper divisors (22644377560).

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

13142243240 is a wasteful number, since it uses less digits than its factorization.

13142243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13142243240 its reverse (4234224131), we get a palindrome (17376467371).

The spelling of 13142243240 in words is "thirteen billion, one hundred forty-two million, two hundred forty-three thousand, two hundred forty".