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2231111010000 = 24354439116937
BaseRepresentation
bin100000011101111000100…
…101000100011011010000
321220021212221222121001010
4200131320211010123100
5243023303404310000
64424542552010520
7320123003451105
oct40357045043320
97807787877033
102231111010000
117902330002a4
123004a2690a40
131325151827b2
1479db4782aac
153d082888d50
hex207789446d0

2231111010000 has 200 divisors, whose sum is σ = 7204389407424. Its totient is φ = 594792320000.

The previous prime is 2231111009927. The next prime is 2231111010013. The reversal of 2231111010000 is 101111322.

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

It is a super-3 number, since 3×22311110100003 (a number of 38 digits) contains 333 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131721532 + ... + 131738468.

Almost surely, 22231111010000 is an apocalyptic number.

2231111010000 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 2231111010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3602194703712).

2231111010000 is an abundant number, since it is smaller than the sum of its proper divisors (4973278397424).

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

2231111010000 is a wasteful number, since it uses less digits than its factorization.

2231111010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21359 (or 21338 counting only the distinct ones).

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

Adding to 2231111010000 its reverse (101111322), we get a palindrome (2231212121322).

The spelling of 2231111010000 in words is "two trillion, two hundred thirty-one billion, one hundred eleven million, ten thousand".