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13011111030000 = 243541366931729
BaseRepresentation
bin1011110101010110001010…
…1001101010110011110000
31201001211221200212100001010
42331111202221222303300
53201133223410430000
643401115532310520
72512010313656016
oct275254251526360
951054850770033
1013011111030000
114166a87a83016
121561782912440
13734c338b8b95
1432da539588b6
151786aed58d50
hexbd562a6acf0

13011111030000 has 200 divisors, whose sum is σ = 42005997840400. Its totient is φ = 3469266432000.

The previous prime is 13011111029981. The next prime is 13011111030013. The reversal of 13011111030000 is 3011111031.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 410054136 + ... + 410085864.

It is an arithmetic number, because the mean of its divisors is an integer number (210029989202).

Almost surely, 213011111030000 is an apocalyptic number.

13011111030000 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 13011111030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21002998920200).

13011111030000 is an abundant number, since it is smaller than the sum of its proper divisors (28994886810400).

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

13011111030000 is a wasteful number, since it uses less digits than its factorization.

13011111030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45429 (or 45408 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 13011111030000 its reverse (3011111031), we get a palindrome (13014122141031).

The spelling of 13011111030000 in words is "thirteen trillion, eleven billion, one hundred eleven million, thirty thousand".