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13230102100000 = 2555172457789
BaseRepresentation
bin1100000010000101111110…
…0010010011100000100000
31201211210012120012100000111
43000201133202103200200
53213230222114200000
644045454111101104
72533562156234032
oct300413742234040
951753176170014
1013230102100000
114240944800195
1215980ba511794
1374c793569c86
1433a4a9d2bc52
1517e22a6a1cba
hexc085f893820

13230102100000 has 216 divisors, whose sum is σ = 34584178619340. Its totient is φ = 4980733440000.

The previous prime is 13230102099971. The next prime is 13230102100003. The reversal of 13230102100000 is 120103231.

It can be written as a sum of positive squares in 18 ways, for example, as 10440627590416 + 2789474509584 = 3231196^2 + 1670172^2 .

It is not an unprimeable number, because it can be changed into a prime (13230102100003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28671106 + ... + 29128894.

Almost surely, 213230102100000 is an apocalyptic number.

13230102100000 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 13230102100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292089309670).

13230102100000 is an abundant number, since it is smaller than the sum of its proper divisors (21354076519340).

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

13230102100000 is an frugal number, since it uses more digits than its factorization.

13230102100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457858 (or 457813 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13230102100000 its reverse (120103231), we get a palindrome (13230222203231).

The spelling of 13230102100000 in words is "thirteen trillion, two hundred thirty billion, one hundred two million, one hundred thousand".