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20110001012112 = 24311210165952021
BaseRepresentation
bin1001001001010001110010…
…11101110111110110010000
32122012111102112202220101110
410210220321131313312100
510113440240224341422
6110434223521333320
74143620400136044
oct444507135676620
978174375686343
1020110001012112
116453670339600
122309552797240
13b2b498a7650b
144d7487626024
1524d1920cd60c
hex124a39777d90

20110001012112 has 240 divisors, whose sum is σ = 57756980191680. Its totient is φ = 6024332160000.

The previous prime is 20110001012033. The next prime is 20110001012147. The reversal of 20110001012112 is 21121010001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 386548662 + ... + 386600682.

It is an arithmetic number, because the mean of its divisors is an integer number (240654084132).

Almost surely, 220110001012112 is an apocalyptic number.

20110001012112 is a gapful number since it is divisible by the number (22) 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 20110001012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28878490095840).

20110001012112 is an abundant number, since it is smaller than the sum of its proper divisors (37646979179568).

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

20110001012112 is a wasteful number, since it uses less digits than its factorization.

20110001012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52814 (or 52797 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110001012112 its reverse (21121010001102), we get a palindrome (41231011013214).

The spelling of 20110001012112 in words is "twenty trillion, one hundred ten billion, one million, twelve thousand, one hundred twelve".