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88022120021 = 111943167223263
BaseRepresentation
bin101000111111010000…
…1101111011001010101
322102012102010222212022
41101332201233121111
52420232130320041
6104234203302525
76234161450423
oct1217641573125
9272172128768
1088022120021
113436a212640
121508651aa45
1383ba1212b4
144390360113
1524528d824b
hex147e86f655

88022120021 has 64 divisors (see below), whose sum is σ = 104911994880. Its totient is φ = 72993493440.

The previous prime is 88022119963. The next prime is 88022120027. The reversal of 88022120021 is 12002122088.

It is a cyclic number.

It is not a de Polignac number, because 88022120021 - 26 = 88022119957 is a prime.

It is a super-2 number, since 2×880221200212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88022120027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334684736 + ... + 334684998.

It is an arithmetic number, because the mean of its divisors is an integer number (1639249920).

Almost surely, 288022120021 is an apocalyptic number.

It is an amenable number.

88022120021 is a deficient number, since it is larger than the sum of its proper divisors (16889874859).

88022120021 is a wasteful number, since it uses less digits than its factorization.

88022120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 1024, while the sum is 26.

The spelling of 88022120021 in words is "eighty-eight billion, twenty-two million, one hundred twenty thousand, twenty-one".

Divisors: 1 11 19 43 167 209 223 263 473 817 1837 2453 2893 3173 4237 4997 7181 8987 9589 11309 34903 37241 43921 46607 54967 58649 78991 105479 124399 136439 182191 214871 409651 483131 645139 707579 834499 1114331 1500829 1601363 1888603 2004101 2363581 2521907 7783369 9179489 9794383 12257641 17614993 20774633 27740977 30425897 35883457 47916233 107738213 186093277 334684867 394718027 421158469 527078563 2047026047 4632743159 8002010911 88022120021