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211230031298 = 21121325987539
BaseRepresentation
bin1100010010111001001…
…0100111110111000010
3202012012222120101100112
43010232102213313002
511430044342000143
6241012052351322
721155322433016
oct3045622476702
9665188511315
10211230031298
1181644933a00
1234b30615542
1316bc3ab7100
14a31b750546
155764300e18
hex312e4a7dc2

211230031298 has 72 divisors (see below), whose sum is σ = 383514490800. Its totient is φ = 87124820640.

The previous prime is 211230031291. The next prime is 211230031301. The reversal of 211230031298 is 892130032112.

211230031298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112300312982 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211230031291) 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 35 ways as a sum of consecutive naturals, for example, 2369213 + ... + 2456751.

It is an arithmetic number, because the mean of its divisors is an integer number (5326590150).

Almost surely, 2211230031298 is an apocalyptic number.

211230031298 is a deficient number, since it is larger than the sum of its proper divisors (172284459502).

211230031298 is a wasteful number, since it uses less digits than its factorization.

211230031298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87648 (or 87624 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 211230031298 in words is "two hundred eleven billion, two hundred thirty million, thirty-one thousand, two hundred ninety-eight".

Divisors: 1 2 11 13 22 26 59 118 121 143 169 242 286 338 649 767 1298 1534 1573 1859 3146 3718 7139 8437 9971 14278 16874 19942 20449 40898 87539 92807 109681 175078 185614 219362 962929 1138007 1206491 1925858 2276014 2412982 5164801 10329602 10592219 12518077 14794091 21184438 25036154 29588182 56812811 67142413 113625622 134284826 137698847 162735001 275397694 325470002 624940921 738566543 872851369 1249881842 1477133086 1745702738 1790085011 3580170022 8124231973 9601365059 16248463946 19202730118 105615015649 211230031298