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210112211018 = 21973233325079
BaseRepresentation
bin1100001110101110101…
…0011110100001001010
3202002100002012020012102
43003223222132201022
511420302211223033
6240305121513402
721115530216533
oct3035352364112
9662302166172
10210112211018
1181120957a96
123487a1a2862
1316a763371a8
14a2530d368a
1556eb0e9de8
hex30eba9e84a

210112211018 has 32 divisors (see below), whose sum is σ = 337745116800. Its totient is φ = 97741852416.

The previous prime is 210112211017. The next prime is 210112211041. The reversal of 210112211018 is 810112211012.

It is a happy number.

210112211018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (210112211017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 483803 + ... + 808881.

It is an arithmetic number, because the mean of its divisors is an integer number (10554534900).

Almost surely, 2210112211018 is an apocalyptic number.

210112211018 is a deficient number, since it is larger than the sum of its proper divisors (127632905782).

210112211018 is a wasteful number, since it uses less digits than its factorization.

210112211018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325406.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 210112211018 in words is "two hundred ten billion, one hundred twelve million, two hundred eleven thousand, eighteen".

Divisors: 1 2 19 38 73 146 233 466 1387 2774 4427 8854 17009 34018 323171 325079 646342 650158 6176501 12353002 23730767 47461534 75743407 151486814 450884573 901769146 1439124733 2878249466 5529268711 11058537422 105056105509 210112211018