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211100020321 = 409707972911
BaseRepresentation
bin1100010010011010001…
…0101010111001100001
3202011212220221010211011
43010212202222321201
511424313101122241
6240551130020521
721152153365201
oct3044642527141
9664786833734
10211100020321
1181588504813
1234ab4b77741
1316ba2b96638
14a30838a401
155757bbe281
hex31268aae61

211100020321 has 8 divisors (see below), whose sum is σ = 211648953600. Its totient is φ = 210551247840.

The previous prime is 211100020291. The next prime is 211100020379. The reversal of 211100020321 is 123020001112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211100020321 - 211 = 211100018273 is a prime.

It is a super-2 number, since 2×2111000203212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211100020381) 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, 2858856 + ... + 2931766.

It is an arithmetic number, because the mean of its divisors is an integer number (26456119200).

Almost surely, 2211100020321 is an apocalyptic number.

It is an amenable number.

211100020321 is a deficient number, since it is larger than the sum of its proper divisors (548933279).

211100020321 is an equidigital number, since it uses as much as digits as its factorization.

211100020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80399.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211100020321 its reverse (123020001112), we get a palindrome (334120021433).

The spelling of 211100020321 in words is "two hundred eleven billion, one hundred million, twenty thousand, three hundred twenty-one".

Divisors: 1 409 7079 72911 2895311 29820599 516136969 211100020321