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212224200090 = 23571099271481
BaseRepresentation
bin1100010110100110001…
…1000100110110011010
3202021210021021101112220
43011221203010312122
511434113343400330
6241254445044510
721222053636220
oct3055143046632
9667707241486
10212224200090
1182005034701
1235169556736
1317021a62076
14a3b37c0b10
1557c172e710
hex31698c4d9a

212224200090 has 64 divisors (see below), whose sum is σ = 587441099520. Its totient is φ = 48063352320.

The previous prime is 212224200053. The next prime is 212224200091. The reversal of 212224200090 is 90002422212.

It is a super-2 number, since 2×2122242000902 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212224200090.

It is not an unprimeable number, because it can be changed into a prime (212224200091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4612851 + ... + 4658630.

It is an arithmetic number, because the mean of its divisors is an integer number (9178767180).

Almost surely, 2212224200090 is an apocalyptic number.

212224200090 is an abundant number, since it is smaller than the sum of its proper divisors (375216899430).

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

212224200090 is a wasteful number, since it uses less digits than its factorization.

212224200090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271607.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 212224200090 in words is "two hundred twelve billion, two hundred twenty-four million, two hundred thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 109 210 218 327 545 654 763 1090 1526 1635 2289 3270 3815 4578 7630 11445 22890 9271481 18542962 27814443 46357405 55628886 64900367 92714810 129800734 139072215 194701101 278144430 324501835 389402202 649003670 973505505 1010591429 1947011010 2021182858 3031774287 5052957145 6063548574 7074140003 10105914290 14148280006 15158871435 21222420009 30317742870 35370700015 42444840018 70741400030 106112100045 212224200090