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2105110212000 = 253531487117973
BaseRepresentation
bin11110101000100010010…
…110001010110110100000
321110020122202020212012220
4132220202112022312200
5233442231203241000
64251024013351040
7305042410364565
oct36504226126640
97406582225186
102105110212000
1174185491a894
1229bb99198480
131236849b03a3
1473c604a086c
1539b5ab8e1a0
hex1ea2258ada0

2105110212000 has 192 divisors, whose sum is σ = 6901037305344. Its totient is φ = 560980454400.

The previous prime is 2105110211999. The next prime is 2105110212043. The reversal of 2105110212000 is 2120115012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17785014 + ... + 17902986.

It is an arithmetic number, because the mean of its divisors is an integer number (35942902632).

Almost surely, 22105110212000 is an apocalyptic number.

2105110212000 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 2105110212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3450518652672).

2105110212000 is an abundant number, since it is smaller than the sum of its proper divisors (4795927093344).

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

2105110212000 is a wasteful number, since it uses less digits than its factorization.

2105110212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119488 (or 119470 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 2105110212000 its reverse (2120115012), we get a palindrome (2107230327012).

The spelling of 2105110212000 in words is "two trillion, one hundred five billion, one hundred ten million, two hundred twelve thousand".