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211110010220 = 22553199160387
BaseRepresentation
bin1100010010011100100…
…0110001110101101100
3202011220121201200101102
43010213020301311230
511424323130311340
6240552124102232
721152334323234
oct3044710616554
9664817650342
10211110010220
118159310832a
1234ab8394978
1316ba4c83715
14a30982acc4
1557589e4215
hex3127231d6c

211110010220 has 24 divisors (see below), whose sum is σ = 451695759984. Its totient is φ = 82850720576.

The previous prime is 211110010207. The next prime is 211110010271. The reversal of 211110010220 is 22010011112.

211110010220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99579134 + ... + 99581253.

It is an arithmetic number, because the mean of its divisors is an integer number (18820656666).

Almost surely, 2211110010220 is an apocalyptic number.

211110010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211110010220 is an abundant number, since it is smaller than the sum of its proper divisors (240585749764).

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

211110010220 is a wasteful number, since it uses less digits than its factorization.

211110010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199160449 (or 199160447 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211110010220 its reverse (22010011112), we get a palindrome (233120021332).

The spelling of 211110010220 in words is "two hundred eleven billion, one hundred ten million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 199160387 398320774 796641548 995801935 1991603870 3983207740 10555500511 21111001022 42222002044 52777502555 105555005110 211110010220