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22312100211 = 3172149172717
BaseRepresentation
bin10100110001111001…
…111010000101110011
32010120222011010110220
4110301321322011303
5331143344201321
614130001424123
71416625502562
oct246171720563
963528133426
1022312100211
11950a665145
1243a833b043
1321476c857b
1411193c3bd9
158a8c2c9c6
hex531e7a173

22312100211 has 24 divisors (see below), whose sum is σ = 31814655600. Its totient is φ = 13905710592.

The previous prime is 22312100189. The next prime is 22312100221. The reversal of 22312100211 is 11200121322.

It is not a de Polignac number, because 22312100211 - 217 = 22311969139 is a prime.

It is a super-3 number, since 3×223121002113 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42825 + ... + 215541.

It is an arithmetic number, because the mean of its divisors is an integer number (1325610650).

Almost surely, 222312100211 is an apocalyptic number.

22312100211 is a deficient number, since it is larger than the sum of its proper divisors (9502555389).

22312100211 is a wasteful number, since it uses less digits than its factorization.

22312100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172903 (or 172886 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22312100211 its reverse (11200121322), we get a palindrome (33512221533).

The spelling of 22312100211 in words is "twenty-two billion, three hundred twelve million, one hundred thousand, two hundred eleven".

Divisors: 1 3 17 51 149 289 447 867 2533 7599 43061 129183 172717 518151 2936189 8808567 25734833 49915213 77204499 149745639 437492161 1312476483 7437366737 22312100211