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21214842007230 = 23252694911784693
BaseRepresentation
bin1001101001011011101110…
…00111110010111010111110
32210010010012211000200222200
410310231313013302322332
510240040444023212410
6113041544110252330
74316502363505014
oct464556707627276
983103184020880
1021214842007230
11683a189274903
1224676b37b70a6
13bab72177a831
14534b37a008b4
1526bca7a783c0
hex134b771f2ebe

21214842007230 has 96 divisors (see below), whose sum is σ = 55476427724640. Its totient is φ = 5624778082560.

The previous prime is 21214842007171. The next prime is 21214842007253. The reversal of 21214842007230 is 3270024841212.

21214842007230 is a `hidden beast` number, since 2 + 1 + 214 + 8 + 4 + 200 + 7 + 230 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10994764 + ... + 12779456.

It is an arithmetic number, because the mean of its divisors is an integer number (577879455465).

Almost surely, 221214842007230 is an apocalyptic number.

21214842007230 is an abundant number, since it is smaller than the sum of its proper divisors (34261585717410).

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

21214842007230 is a wasteful number, since it uses less digits than its factorization.

21214842007230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785466 (or 1785463 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

Adding to 21214842007230 its reverse (3270024841212), we get a palindrome (24484866848442).

The spelling of 21214842007230 in words is "twenty-one trillion, two hundred fourteen billion, eight hundred forty-two million, seven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 269 491 538 807 982 1345 1473 1614 2421 2455 2690 2946 4035 4419 4842 4910 7365 8070 8838 12105 14730 22095 24210 44190 132079 264158 396237 660395 792474 1188711 1320790 1784693 1981185 2377422 3569386 3962370 5354079 5943555 8923465 10708158 11887110 16062237 17846930 26770395 32124474 53540790 80311185 160622370 480082417 876284263 960164834 1440247251 1752568526 2400412085 2628852789 2880494502 4320741753 4381421315 4800824170 5257705578 7201236255 7886558367 8641483506 8762842630 13144263945 14402472510 15773116734 21603708765 26288527890 39432791835 43207417530 78865583670 235720466747 471440933494 707161400241 1178602333735 1414322800482 2121484200723 2357204667470 3535807001205 4242968401446 7071614002410 10607421003615 21214842007230