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212030221132 = 22443547921839
BaseRepresentation
bin1100010101110111111…
…1000110101101001100
3202021021202021020110001
43011131333012231030
511433214214034012
6241223315254044
721214210100002
oct3053577065514
9667252236401
10212030221132
1181a15594414
12351145aa324
1316cc0805512
14a395b28a72
1557ae6b4357
hex315dfc6b4c

212030221132 has 24 divisors (see below), whose sum is σ = 371975385600. Its totient is φ = 105751650576.

The previous prime is 212030221127. The next prime is 212030221159. The reversal of 212030221132 is 231122030212.

It is a super-2 number, since 2×2120302211322 (a number of 23 digits) contains 22 as substring.

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, 9697869 + ... + 9719707.

It is an arithmetic number, because the mean of its divisors is an integer number (15498974400).

Almost surely, 2212030221132 is an apocalyptic number.

It is an amenable number.

212030221132 is a deficient number, since it is larger than the sum of its proper divisors (159945164468).

212030221132 is a wasteful number, since it uses less digits than its factorization.

212030221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27765 (or 27763 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212030221132 its reverse (231122030212), we get a palindrome (443152251344).

The spelling of 212030221132 in words is "two hundred twelve billion, thirty million, two hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 443 886 1772 5479 10958 21839 21916 43678 87356 2427197 4854394 9674677 9708788 19349354 38698708 119655881 239311762 478623524 53007555283 106015110566 212030221132