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211422551255 = 5131322782521
BaseRepresentation
bin1100010011100111000…
…1000001110011010111
3202012201101211102002022
43010321301001303113
511430443133120010
6241043131003355
721163151014466
oct3047161016327
9665641742068
10211422551255
1181733578003
1234b84b9955b
1316c24952846
14a3391469dd
15577617dd55
hex3139c41cd7

211422551255 has 8 divisors (see below), whose sum is σ = 255643757424. Its totient is φ = 167846910400.

The previous prime is 211422551239. The next prime is 211422551261. The reversal of 211422551255 is 552155224112.

211422551255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211422551255 - 24 = 211422551239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 161390606 + ... + 161391915.

It is an arithmetic number, because the mean of its divisors is an integer number (31955469678).

Almost surely, 2211422551255 is an apocalyptic number.

211422551255 is a deficient number, since it is larger than the sum of its proper divisors (44221206169).

211422551255 is a wasteful number, since it uses less digits than its factorization.

211422551255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322782657.

The product of its digits is 40000, while the sum is 35.

Adding to 211422551255 its reverse (552155224112), we get a palindrome (763577775367).

The spelling of 211422551255 in words is "two hundred eleven billion, four hundred twenty-two million, five hundred fifty-one thousand, two hundred fifty-five".

Divisors: 1 5 131 655 322782521 1613912605 42284510251 211422551255