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213443106884472 = 23312976856948949
BaseRepresentation
bin110000100010000000011000…
…100100001100101101111000
31000222201221222002220120121110
4300202000120210030231320
5210434022440330300342
62033542224252240320
762646520110421233
oct6042003044145570
91028657862816543
10213443106884472
11620117934277a3
121bb328547700a0
1392137a220365a
143a9c9b6c8641a
1519a222975ec9c
hexc2201890cb78

213443106884472 has 32 divisors (see below), whose sum is σ = 534019184226000. Its totient is φ = 71092846692864.

The previous prime is 213443106884297. The next prime is 213443106884473. The reversal of 213443106884472 is 274488601344312.

It is a super-2 number, since 2×2134431068844722 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213443106884473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428443347 + ... + 3428505602.

Almost surely, 2213443106884472 is an apocalyptic number.

It is an amenable number.

213443106884472 is an abundant number, since it is smaller than the sum of its proper divisors (320576077341528).

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

213443106884472 is a wasteful number, since it uses less digits than its factorization.

213443106884472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856950255 (or 6856950251 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 57.

The spelling of 213443106884472 in words is "two hundred thirteen trillion, four hundred forty-three billion, one hundred six million, eight hundred eighty-four thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 1297 2594 3891 5188 7782 10376 15564 31128 6856948949 13713897898 20570846847 27427795796 41141693694 54855591592 82283387388 164566774776 8893462786853 17786925573706 26680388360559 35573851147412 53360776721118 71147702294824 106721553442236 213443106884472