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211132445124 = 223149661178643
BaseRepresentation
bin1100010010100001111…
…0010111000111000100
3202011222011221111021210
43010220132113013010
511424344401220444
6240554245011420
721153026113146
oct3045036270704
9664864844253
10211132445124
11815a4840a77
1234b039b3b70
1316ba980a203
14a30c7cac96
15575a9767b9
hex31287971c4

211132445124 has 48 divisors (see below), whose sum is σ = 496701777600. Its totient is φ = 69799002240.

The previous prime is 211132445119. The next prime is 211132445131. The reversal of 211132445124 is 421544231112.

It is a junction number, because it is equal to n+sod(n) for n = 211132445091 and 211132445100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092547 + ... + 1271189.

It is an arithmetic number, because the mean of its divisors is an integer number (10347953700).

Almost surely, 2211132445124 is an apocalyptic number.

It is an amenable number.

211132445124 is an abundant number, since it is smaller than the sum of its proper divisors (285569332476).

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

211132445124 is a wasteful number, since it uses less digits than its factorization.

211132445124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179460 (or 179458 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 211132445124 its reverse (421544231112), we get a palindrome (632676676236).

The spelling of 211132445124 in words is "two hundred eleven billion, one hundred thirty-two million, four hundred forty-five thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 149 298 447 596 661 894 1322 1788 1983 2644 3966 7932 98489 178643 196978 295467 357286 393956 535929 590934 714572 1071858 1181868 2143716 26617807 53235614 79853421 106471228 118083023 159706842 236166046 319413684 354249069 472332092 708498138 1416996276 17594370427 35188740854 52783111281 70377481708 105566222562 211132445124