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2111011100000 = 25551110119001
BaseRepresentation
bin11110101110000010000…
…100010001010101100000
321110210212222211000210022
4132232002010101111200
5234041322320200000
64253441330053012
7305341552166645
oct36560204212540
97423788730708
102111011100000
11744302806330
122a116541a168
131240b53868aa
147426006ddcc
1539da3c4a585
hex1eb82111560

2111011100000 has 288 divisors, whose sum is σ = 5723392366944. Its totient is φ = 760000000000.

The previous prime is 2111011099987. The next prime is 2111011100041. The reversal of 2111011100000 is 11101112.

It is a happy number.

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

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, 111090500 + ... + 111109500.

It is an arithmetic number, because the mean of its divisors is an integer number (19872890163).

Almost surely, 22111011100000 is an apocalyptic number.

2111011100000 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 2111011100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2861696183472).

2111011100000 is an abundant number, since it is smaller than the sum of its proper divisors (3612381266944).

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

2111011100000 is a wasteful number, since it uses less digits than its factorization.

2111011100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19148 (or 19120 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 2111011100000 its reverse (11101112), we get a palindrome (2111022201112).

The spelling of 2111011100000 in words is "two trillion, one hundred eleven billion, eleven million, one hundred thousand".