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13243242000000 = 2735613716111
BaseRepresentation
bin1100000010110110111010…
…1111000010111010000000
31201220001010022020102012110
43000231232233002322000
53213434124423000000
644055510020455320
72534535611444265
oct300555657027200
951801108212173
1013243242000000
114246477949581
12159a766b4a540
13750aa891262c
1433ad950b326c
1517e74903a850
hexc0b6ebc2e80

13243242000000 has 448 divisors, whose sum is σ = 44294845518720. Its totient is φ = 3505536000000.

The previous prime is 13243241999993. The next prime is 13243242000011. The reversal of 13243242000000 is 24234231.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 821991945 + ... + 822008055.

Almost surely, 213243242000000 is an apocalyptic number.

13243242000000 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 13243242000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22147422759360).

13243242000000 is an abundant number, since it is smaller than the sum of its proper divisors (31051603518720).

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

13243242000000 is an frugal number, since it uses more digits than its factorization.

13243242000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295 (or 16258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13243242000000 its reverse (24234231), we get a palindrome (13243266234231).

The spelling of 13243242000000 in words is "thirteen trillion, two hundred forty-three billion, two hundred forty-two million", and thus it is an aban number.