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330431211232340 = 22516521560561617
BaseRepresentation
bin100101100100001101000001…
…0111101111101110001010100
31121022221220201020122121010012
41023020122002331331301110
5321302241110033413330
63130434000340415352
7126412603310155631
oct11310320275756124
91538856636577105
10330431211232340
11963160a9464769
12310879480a7558
131124b6b64723ca
145b84d55205188
15283041a163c95
hex12c8682f7dc54

330431211232340 has 12 divisors (see below), whose sum is σ = 693905543587956. Its totient is φ = 132172484492928.

The previous prime is 330431211232319. The next prime is 330431211232363. The reversal of 330431211232340 is 43232112134033.

It can be written as a sum of positive squares in 2 ways, for example, as 80240245966864 + 250190965265476 = 8957692^2 + 15817426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 330431211232297 and 330431211232306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8260780280789 + ... + 8260780280828.

It is an arithmetic number, because the mean of its divisors is an integer number (57825461965663).

Almost surely, 2330431211232340 is an apocalyptic number.

It is an amenable number.

330431211232340 is an abundant number, since it is smaller than the sum of its proper divisors (363474332355616).

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

330431211232340 is a wasteful number, since it uses less digits than its factorization.

330431211232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16521560561626 (or 16521560561624 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 330431211232340 its reverse (43232112134033), we get a palindrome (373663323366373).

The spelling of 330431211232340 in words is "three hundred thirty trillion, four hundred thirty-one billion, two hundred eleven million, two hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 16521560561617 33043121123234 66086242246468 82607802808085 165215605616170 330431211232340