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211020020112 = 243111926118149
BaseRepresentation
bin1100010010000111000…
…1011111100110010000
3202011200100101201011110
43010201301133212100
511424132111120422
6240535151213320
721150162401346
oct3044161374620
9664610351143
10211020020112
1181547333440
1234a92217240
1316b8c436135
14a2db8c3996
155750b6a60c
hex3121c5f990

211020020112 has 240 divisors, whose sum is σ = 637964078400. Its totient is φ = 59583513600.

The previous prime is 211020020041. The next prime is 211020020203.

211020020112 is nontrivially palindromic in base 10.

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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11618014 + ... + 11636162.

It is an arithmetic number, because the mean of its divisors is an integer number (2658183660).

Almost surely, 2211020020112 is an apocalyptic number.

211020020112 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 211020020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318982039200).

211020020112 is an abundant number, since it is smaller than the sum of its proper divisors (426944058288).

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

211020020112 is a wasteful number, since it uses less digits than its factorization.

211020020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18270 (or 18245 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

It can be divided in two parts, 2110200 and 20112, that added together give a palindrome (2130312).

The spelling of 211020020112 in words is "two hundred eleven billion, twenty million, twenty thousand, one hundred twelve".