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213004221036 = 223612831028231
BaseRepresentation
bin1100011001100000001…
…0100111101001101100
3202100210122000120010120
43012120002213221230
511442213040033121
6241504111404540
721250305001605
oct3063002475154
9670718016116
10213004221036
1182375369a12
1235346823750
131711753b219
14a449228dac
155819e5bbc6
hex31980a7a6c

213004221036 has 48 divisors (see below), whose sum is σ = 506943053568. Its totient is φ = 69590606400.

The previous prime is 213004221019. The next prime is 213004221061. The reversal of 213004221036 is 630122400312.

It is a junction number, because it is equal to n+sod(n) for n = 213004220997 and 213004221015.

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, 306960 + ... + 721271.

It is an arithmetic number, because the mean of its divisors is an integer number (10561313616).

Almost surely, 2213004221036 is an apocalyptic number.

It is an amenable number.

213004221036 is an abundant number, since it is smaller than the sum of its proper divisors (293938832532).

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

213004221036 is a wasteful number, since it uses less digits than its factorization.

213004221036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028582 (or 1028580 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213004221036 its reverse (630122400312), we get a palindrome (843126621348).

The spelling of 213004221036 in words is "two hundred thirteen billion, four million, two hundred twenty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 12 61 122 183 244 283 366 566 732 849 1132 1698 3396 17263 34526 51789 69052 103578 207156 1028231 2056462 3084693 4112924 6169386 12338772 62722091 125444182 188166273 250888364 290989373 376332546 581978746 752665092 872968119 1163957492 1745936238 3491872476 17750351753 35500703506 53251055259 71001407012 106502110518 213004221036