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2011200102000 = 243253711573709
BaseRepresentation
bin11101010001000100110…
…111100001111001110000
321010021020222210222112200
4131101010313201321300
5230422414211231000
64135533234023200
7265206261541455
oct35210467417160
97107228728480
102011200102000
11705a44031231
1228594aa17b00
13117869a8056b
146d4b216b82c
15374b13e6500
hex1d444de1e70

2011200102000 has 240 divisors, whose sum is σ = 7123392020160. Its totient is φ = 528765888000.

The previous prime is 2011200101971. The next prime is 2011200102019. The reversal of 2011200102000 is 2010021102.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491146 + ... + 2064854.

It is an arithmetic number, because the mean of its divisors is an integer number (29680800084).

Almost surely, 22011200102000 is an apocalyptic number.

2011200102000 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 2011200102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3561696010080).

2011200102000 is an abundant number, since it is smaller than the sum of its proper divisors (5112191918160).

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

2011200102000 is a wasteful number, since it uses less digits than its factorization.

2011200102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573809 (or 1573790 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2011200102000 its reverse (2010021102), we get a palindrome (2013210123102).

The spelling of 2011200102000 in words is "two trillion, eleven billion, two hundred million, one hundred two thousand".