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212012402203 = 7223557243839
BaseRepresentation
bin1100010101110011101…
…1001000011000011011
3202021020111201221110201
43011130323020120123
511433200133332303
6241221441323031
721213602453530
oct3053473103033
9667214657421
10212012402203
1181a06523828
123510a636477
1316cb9c06a84
14a39360ad87
1557acd4481d
hex315cec861b

212012402203 has 16 divisors (see below), whose sum is σ = 243824394240. Its totient is φ = 180584472096.

The previous prime is 212012402197. The next prime is 212012402233. The reversal of 212012402203 is 302204210212.

212012402203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212012402203 - 25 = 212012402171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212012402233) 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, 747558 + ... + 991396.

It is an arithmetic number, because the mean of its divisors is an integer number (15239024640).

Almost surely, 2212012402203 is an apocalyptic number.

212012402203 is a deficient number, since it is larger than the sum of its proper divisors (31811992037).

212012402203 is a wasteful number, since it uses less digits than its factorization.

212012402203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244626.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212012402203 its reverse (302204210212), we get a palindrome (514216612415).

The spelling of 212012402203 in words is "two hundred twelve billion, twelve million, four hundred two thousand, two hundred three".

Divisors: 1 7 223 557 1561 3899 124211 243839 869477 1706873 54376097 135818323 380632679 950728261 30287486029 212012402203