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1340960474165 = 51320630161141
BaseRepresentation
bin10011100000110111011…
…110010000010000110101
311202012020211201010120212
4103200313132100100311
5133432241340133130
62504010112435205
7165611151651404
oct23406736202065
94665224633525
101340960474165
11477775257734
12197a78b48b05
13995b51580c0
1448c8d53563b
1524d34dd1e95
hex13837790435

1340960474165 has 8 divisors (see below), whose sum is σ = 1732933535928. Its totient is φ = 990247734720.

The previous prime is 1340960474141. The next prime is 1340960474167. The reversal of 1340960474165 is 5614740690431.

It can be written as a sum of positive squares in 4 ways, for example, as 36627452689 + 1304333021476 = 191383^2 + 1142074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340960474165 - 230 = 1339886732341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340960474167) 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 7 ways as a sum of consecutive naturals, for example, 10315080506 + ... + 10315080635.

It is an arithmetic number, because the mean of its divisors is an integer number (216616691991).

Almost surely, 21340960474165 is an apocalyptic number.

It is an amenable number.

1340960474165 is a deficient number, since it is larger than the sum of its proper divisors (391973061763).

1340960474165 is a wasteful number, since it uses less digits than its factorization.

1340960474165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630161159.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 1340960474165 in words is "one trillion, three hundred forty billion, nine hundred sixty million, four hundred seventy-four thousand, one hundred sixty-five".

Divisors: 1 5 13 65 20630161141 103150805705 268192094833 1340960474165