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22031203120230 = 23521118891842479
BaseRepresentation
bin1010000001001100010100…
…00010010011010001100110
32220000011101102111002200110
411000212022002103101212
510341424400444321410
6114504554530153450
74432462515460653
oct500461202232146
986004342432613
1022031203120230
117024420899997
122579965422886
13c3a6c2257955
1456245cc58c2a
152831373e2720
hex14098a093466

22031203120230 has 64 divisors (see below), whose sum is σ = 53153631820800. Its totient is φ = 5844045419520.

The previous prime is 22031203120207. The next prime is 22031203120231. The reversal of 22031203120230 is 3202130213022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22031203120197 and 22031203120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031203120231) 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, 11036131 + ... + 12878609.

It is an arithmetic number, because the mean of its divisors is an integer number (830525497200).

Almost surely, 222031203120230 is an apocalyptic number.

22031203120230 is an abundant number, since it is smaller than the sum of its proper divisors (31122428700570).

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

22031203120230 is a wasteful number, since it uses less digits than its factorization.

22031203120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844589.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22031203120230 its reverse (3202130213022), we get a palindrome (25233333333252).

The spelling of 22031203120230 in words is "twenty-two trillion, thirty-one billion, two hundred three million, one hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 211 422 633 1055 1266 1889 2110 3165 3778 5667 6330 9445 11334 18890 28335 56670 398579 797158 1195737 1842479 1992895 2391474 3684958 3985790 5527437 5978685 9212395 11054874 11957370 18424790 27637185 55274370 388763069 777526138 1166289207 1943815345 2332578414 3480442831 3887630690 5831446035 6960885662 10441328493 11662892070 17402214155 20882656986 34804428310 52206642465 104413284930 734373437341 1468746874682 2203120312023 3671867186705 4406240624046 7343734373410 11015601560115 22031203120230