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211000111100 = 22522972758659
BaseRepresentation
bin1100010010000010010…
…1100010111111111100
3202011121221221020010122
43010200211202333330
511424112012023400
6240533200354112
721146531231522
oct3044045427774
9664557836118
10211000111100
1181537075509
1234a87615938
1316b8828525c
14a2d8dc0312
15574e036685
hex3120962ffc

211000111100 has 36 divisors (see below), whose sum is σ = 473658876600. Its totient is φ = 81489696960.

The previous prime is 211000111051. The next prime is 211000111123. The reversal of 211000111100 is 1111000112.

It is a happy number.

211000111100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36376430 + ... + 36382229.

Almost surely, 2211000111100 is an apocalyptic number.

211000111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000111100 is an abundant number, since it is smaller than the sum of its proper divisors (262658765500).

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

211000111100 is a wasteful number, since it uses less digits than its factorization.

211000111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72758702 (or 72758695 counting only the distinct ones).

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

Adding to 211000111100 its reverse (1111000112), we get a palindrome (212111111212).

The spelling of 211000111100 in words is "two hundred eleven billion, one hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 72758659 145517318 291034636 363793295 727586590 1455173180 1818966475 2110001111 3637932950 4220002222 7275865900 8440004444 10550005555 21100011110 42200022220 52750027775 105500055550 211000111100