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212023231130 = 25173941130241
BaseRepresentation
bin1100010101110110010…
…0011100001010011010
3202021021021010002222002
43011131210130022122
511433210421344010
6241222505401002
721214063504664
oct3053544341232
9667237102862
10212023231130
1181a1164a757
1235112199162
1316cbc228a19
14a394c29534
1557adc831a5
hex315d91c29a

212023231130 has 32 divisors (see below), whose sum is σ = 384258703248. Its totient is φ = 84228812800.

The previous prime is 212023231109. The next prime is 212023231159. The reversal of 212023231130 is 31132320212.

It can be written as a sum of positive squares in 8 ways, for example, as 162419478169 + 49603752961 = 403013^2 + 222719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562810 + ... + 1693050.

Almost surely, 2212023231130 is an apocalyptic number.

212023231130 is a deficient number, since it is larger than the sum of its proper divisors (172235472118).

212023231130 is a wasteful number, since it uses less digits than its factorization.

212023231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131362.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212023231130 its reverse (31132320212), we get a palindrome (243155551342).

The spelling of 212023231130 in words is "two hundred twelve billion, twenty-three million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 173 346 865 941 1730 1882 4705 9410 130241 162793 260482 325586 651205 813965 1302410 1627930 22531693 45063386 112658465 122556781 225316930 245113562 612783905 1225567810 21202323113 42404646226 106011615565 212023231130