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2112220331230 = 257123329343577
BaseRepresentation
bin11110101111001010001…
…001000111110011011110
321110221000021012100012011
4132233022021013303132
5234101311401044410
64254201324101434
7305413534403302
oct36571211076336
97427007170164
102112220331230
11744873347689
122a144239487a
13124248a60a29
14743368c3d02
1539e24eab18a
hex1ebca247cde

2112220331230 has 64 divisors (see below), whose sum is σ = 3885397746048. Its totient is φ = 826563512320.

The previous prime is 2112220331201. The next prime is 2112220331233. The reversal of 2112220331230 is 321330222112.

It is a super-2 number, since 2×21122203312302 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112220331233) 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, 48449202 + ... + 48492778.

It is an arithmetic number, because the mean of its divisors is an integer number (60709339782).

Almost surely, 22112220331230 is an apocalyptic number.

2112220331230 is a deficient number, since it is larger than the sum of its proper divisors (1773177414818).

2112220331230 is a wasteful number, since it uses less digits than its factorization.

2112220331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44181.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2112220331230 its reverse (321330222112), we get a palindrome (2433550553342).

The spelling of 2112220331230 in words is "two trillion, one hundred twelve billion, two hundred twenty million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 71 142 233 293 355 466 586 710 1165 1465 2330 2930 16543 20803 33086 41606 43577 68269 82715 87154 104015 136538 165430 208030 217885 341345 435770 682690 3093967 4847099 6187934 9694198 10153441 12768061 15469835 20306882 24235495 25536122 30939670 48470990 50767205 63840305 101534410 127680610 720894311 906532331 1441788622 1813064662 2974958213 3604471555 4532661655 5949916426 7208943110 9065323310 14874791065 29749582130 211222033123 422444066246 1056110165615 2112220331230