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1306900853 = 3086942337
BaseRepresentation
bin100110111100101…
…1011100101110101
310101002011102221022
41031321123211311
510134031311403
6333403230525
744246321366
oct11571334565
93332142838
101306900853
11610790a55
12305818445
1317a9b301b
14c57d9b6d
1579b04d38
hex4de5b975

1306900853 has 4 divisors (see below), whose sum is σ = 1306974060. Its totient is φ = 1306827648.

The previous prime is 1306900811. The next prime is 1306900867. The reversal of 1306900853 is 3580096031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3580096031 = 4929772623.

It can be written as a sum of positive squares in 2 ways, for example, as 515153809 + 791747044 = 22697^2 + 28138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306900853 - 28 = 1306900597 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 (1306900453) 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, 9701 + ... + 52037.

It is an arithmetic number, because the mean of its divisors is an integer number (326743515).

Almost surely, 21306900853 is an apocalyptic number.

It is an amenable number.

1306900853 is a deficient number, since it is larger than the sum of its proper divisors (73207).

1306900853 is an equidigital number, since it uses as much as digits as its factorization.

1306900853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73206.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1306900853 is about 36151.0837043649. The cubic root of 1306900853 is about 1093.3206405820.

Adding to 1306900853 its reverse (3580096031), we get a palindrome (4886996884).

The spelling of 1306900853 in words is "one billion, three hundred six million, nine hundred thousand, eight hundred fifty-three".

Divisors: 1 30869 42337 1306900853