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213285101584 = 2426324392
BaseRepresentation
bin1100011010100011001…
…0000110000000010000
3202101112012112202210211
43012220302012000100
511443301441222314
6241552023533504
721260255310412
oct3065062060020
9671465482724
10213285101584
11824a99746a5
12354048ba294
13171607a3629
14a4746629b2
1558349409c4
hex31a8c86010

213285101584 has 45 divisors (see below), whose sum is σ = 415764179103. Its totient is φ = 105995067936.

The previous prime is 213285101573. The next prime is 213285101591. The reversal of 213285101584 is 485101582312.

The square root of 213285101584 is 461828.

It is a perfect power (a square), and thus also a powerful number.

It is a super-4 number, since 4×2132851015844 (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 485842837 + ... + 485843275.

Almost surely, 2213285101584 is an apocalyptic number.

213285101584 is the 461828-th square number.

It is an amenable number.

213285101584 is a deficient number, since it is larger than the sum of its proper divisors (202479077519).

213285101584 is an frugal number, since it uses more digits than its factorization.

213285101584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

Adding to 213285101584 its reverse (485101582312), we get a palindrome (698386683896).

The spelling of 213285101584 in words is "two hundred thirteen billion, two hundred eighty-five million, one hundred one thousand, five hundred eighty-four".

Divisors: 1 2 4 8 16 263 439 526 878 1052 1756 2104 3512 4208 7024 69169 115457 138338 192721 230914 276676 385442 461828 553352 770884 923656 1106704 1541768 1847312 3083536 30365191 50685623 60730382 101371246 121460764 202742492 242921528 405484984 485843056 810969968 13330318849 26660637698 53321275396 106642550792 213285101584