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211422230321 = 378368844751
BaseRepresentation
bin1100010011100110111…
…1110011011100110001
3202012201101020002211212
43010321233303130301
511430443042332241
6241043120045505
721163145210021
oct3047157633461
9665641202755
10211422230321
1181733378975
1234b84a63895
1316c2486c743
14a3390a1a81
155776118beb
hex3139bf3731

211422230321 has 8 divisors (see below), whose sum is σ = 219752448384. Its totient is φ = 203229702000.

The previous prime is 211422230281. The next prime is 211422230323. The reversal of 211422230321 is 123032224112.

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 211422230321 - 222 = 211418036017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211422230323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34419305 + ... + 34425446.

It is an arithmetic number, because the mean of its divisors is an integer number (27469056048).

Almost surely, 2211422230321 is an apocalyptic number.

It is an amenable number.

211422230321 is a deficient number, since it is larger than the sum of its proper divisors (8330218063).

211422230321 is an equidigital number, since it uses as much as digits as its factorization.

211422230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68844871.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211422230321 its reverse (123032224112), we get a palindrome (334454454433).

The spelling of 211422230321 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 37 83 3071 68844751 2547255787 5714114333 211422230321