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1284486785341 = 4013203208941
BaseRepresentation
bin10010101100010001011…
…000001110100100111101
311112210111002111111101021
4102230101120032210331
5132021112104112331
62422030213344141
7161541531346324
oct22542130164475
94483432444337
101284486785341
11455825338431
12188b38038051
139418514a496
144625312d0bb
152362c037211
hex12b1160e93d

1284486785341 has 4 divisors (see below), whose sum is σ = 1287689994684. Its totient is φ = 1281283576000.

The previous prime is 1284486785327. The next prime is 1284486785347. The reversal of 1284486785341 is 1435876844821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1202413130116 + 82073655225 = 1096546^2 + 286485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1284486785341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1284486785341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284486785347) 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 3 ways as a sum of consecutive naturals, for example, 1601604070 + ... + 1601604871.

It is an arithmetic number, because the mean of its divisors is an integer number (321922498671).

Almost surely, 21284486785341 is an apocalyptic number.

It is an amenable number.

1284486785341 is a deficient number, since it is larger than the sum of its proper divisors (3203209343).

1284486785341 is an equidigital number, since it uses as much as digits as its factorization.

1284486785341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203209342.

The product of its digits is 41287680, while the sum is 61.

The spelling of 1284486785341 in words is "one trillion, two hundred eighty-four billion, four hundred eighty-six million, seven hundred eighty-five thousand, three hundred forty-one".

Divisors: 1 401 3203208941 1284486785341