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20110003100000 = 25551167272863
BaseRepresentation
bin1001001001010001110011…
…00101110101100101100000
32122012111102200200222102122
410210220321211311211200
510113440241243200000
6110434224034203412
74143620423653142
oct444507145654540
978174380628378
1020110003100000
116453671535230
122309553423568
13b2b499327958
144d7487a0ac92
1524d192392085
hex124a39975960

20110003100000 has 288 divisors, whose sum is σ = 54790995151872. Its totient is φ = 7203556800000.

The previous prime is 20110003099999. The next prime is 20110003100009. The reversal of 20110003100000 is 130001102.

It is a super-2 number, since 2×201100031000002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110003100009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73563569 + ... + 73836431.

It is an arithmetic number, because the mean of its divisors is an integer number (190246510944).

Almost surely, 220110003100000 is an apocalyptic number.

20110003100000 is a gapful number since it is divisible by the number (20) 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 20110003100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27395497575936).

20110003100000 is an abundant number, since it is smaller than the sum of its proper divisors (34680992051872).

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

20110003100000 is an equidigital number, since it uses as much as digits as its factorization.

20110003100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272976 (or 272948 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20110003100000 its reverse (130001102), we get a palindrome (20110133101102).

The spelling of 20110003100000 in words is "twenty trillion, one hundred ten billion, three million, one hundred thousand".