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1361384117 = 2269599993
BaseRepresentation
bin101000100100101…
…0001001010110101
310111212200110220222
41101021101022311
510242003242432
6343031104125
745510400622
oct12111211265
93455613828
101361384117
11639514045
1231bb12045
1318907ac42
14ccb3d349
157e7b8112
hex512512b5

1361384117 has 4 divisors (see below), whose sum is σ = 1361986380. Its totient is φ = 1360781856.

The previous prime is 1361384083. The next prime is 1361384119. The reversal of 1361384117 is 7114831631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7114831631 = 7397463447.

It can be written as a sum of positive squares in 2 ways, for example, as 23726641 + 1337657476 = 4871^2 + 36574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361384117 - 212 = 1361380021 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 (1361384119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297728 + ... + 302265.

It is an arithmetic number, because the mean of its divisors is an integer number (340496595).

Almost surely, 21361384117 is an apocalyptic number.

It is an amenable number.

1361384117 is a deficient number, since it is larger than the sum of its proper divisors (602263).

1361384117 is an equidigital number, since it uses as much as digits as its factorization.

1361384117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602262.

The product of its digits is 12096, while the sum is 35.

The square root of 1361384117 is about 36896.9391277922. The cubic root of 1361384117 is about 1108.3073834817.

The spelling of 1361384117 in words is "one billion, three hundred sixty-one million, three hundred eighty-four thousand, one hundred seventeen".

Divisors: 1 2269 599993 1361384117