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1320121304341 = 72171584779477
BaseRepresentation
bin10011001101011101010…
…111001000010100010101
311200012110112010121202021
4103031131113020110111
5133112102023214331
62450242205013141
7164242556641300
oct23153527102425
94605415117667
101320121304341
11469951073a34
12193a21b541b1
1397643964898
1447c73a09b37
1524515653211
hex1335d5c8515

1320121304341 has 12 divisors (see below), whose sum is σ = 1625983744428. Its totient is φ = 1064971807872.

The previous prime is 1320121304329. The next prime is 1320121304387. The reversal of 1320121304341 is 1434031210231.

It can be written as a sum of positive squares in 2 ways, for example, as 861425296900 + 458696007441 = 928130^2 + 677271^2 .

It is not a de Polignac number, because 1320121304341 - 25 = 1320121304309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320121304041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 792388906 + ... + 792390571.

It is an arithmetic number, because the mean of its divisors is an integer number (135498645369).

Almost surely, 21320121304341 is an apocalyptic number.

It is an amenable number.

1320121304341 is a deficient number, since it is larger than the sum of its proper divisors (305862440087).

1320121304341 is a wasteful number, since it uses less digits than its factorization.

1320121304341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584779508 (or 1584779501 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1320121304341 its reverse (1434031210231), we get a palindrome (2754152514572).

The spelling of 1320121304341 in words is "one trillion, three hundred twenty billion, one hundred twenty-one million, three hundred four thousand, three hundred forty-one".

Divisors: 1 7 17 49 119 833 1584779477 11093456339 26941251109 77654194373 188588757763 1320121304341