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231020320444014 = 2351077539335567
BaseRepresentation
bin110100100001110010011100…
…001000101100111001101110
31010021222022211100020202100010
4310201302130020230321232
5220240014104013202024
62135201134200514050
766442444621465053
oct6441623410547156
91107868740222303
10231020320444014
1167679193226682
1221ab1351a7b926
139bba17987991a
14410962c0b502a
151ba957e546b29
hexd21c9c22ce6e

231020320444014 has 16 divisors (see below), whose sum is σ = 462131112976128. Its totient is φ = 76991694799992.

The previous prime is 231020320444007. The next prime is 231020320444073. The reversal of 231020320444014 is 410444023020132.

It is a super-2 number, since 2×2310203204440142 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769637142 + ... + 3769698425.

It is an arithmetic number, because the mean of its divisors is an integer number (28883194561008).

Almost surely, 2231020320444014 is an apocalyptic number.

231020320444014 is an abundant number, since it is smaller than the sum of its proper divisors (231110792532114).

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

231020320444014 is a wasteful number, since it uses less digits than its factorization.

231020320444014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539340679.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 231020320444014 its reverse (410444023020132), we get a palindrome (641464343464146).

The spelling of 231020320444014 in words is "two hundred thirty-one trillion, twenty billion, three hundred twenty million, four hundred forty-four thousand, fourteen".

Divisors: 1 2 3 6 5107 10214 15321 30642 7539335567 15078671134 22618006701 45236013402 38503386740669 77006773481338 115510160222007 231020320444014