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1320434450241 = 31398219385267
BaseRepresentation
bin10011001101110000000…
…001101011111101000001
311200020021100101002011120
4103031300001223331001
5133113222204401431
62450333232502453
7164253411432144
oct23156001537501
94606240332146
101320434450241
11469aa19070a5
12193aaa9aaa29
13976937b610a
1447ca344205b
1524532dac196
hex1337006bf41

1320434450241 has 16 divisors (see below), whose sum is σ = 1773465657600. Its totient is φ = 873848012688.

The previous prime is 1320434450233. The next prime is 1320434450281. The reversal of 1320434450241 is 1420544340231.

It is not a de Polignac number, because 1320434450241 - 23 = 1320434450233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320434450281) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3234690 + ... + 3619956.

It is an arithmetic number, because the mean of its divisors is an integer number (110841603600).

Almost surely, 21320434450241 is an apocalyptic number.

It is an amenable number.

1320434450241 is a deficient number, since it is larger than the sum of its proper divisors (453031207359).

1320434450241 is a wasteful number, since it uses less digits than its factorization.

1320434450241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393628.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1320434450241 its reverse (1420544340231), we get a palindrome (2740978790472).

The spelling of 1320434450241 in words is "one trillion, three hundred twenty billion, four hundred thirty-four million, four hundred fifty thousand, two hundred forty-one".

Divisors: 1 3 139 417 8219 24657 385267 1142441 1155801 3427323 53552113 160656339 3166509473 9499528419 440144816747 1320434450241