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6875130470209 = 743235292
BaseRepresentation
bin110010000001011110110…
…1101011001111101000001
3220100020220122220121210121
41210002331231121331001
51400120231400021314
622342220310100241
71306466066530021
oct144027555317501
926306818817717
106875130470209
1122107a9a09441
1293054334a681
133ab4256341b1
1419aa882b1a81
15bdc87eb4d24
hex640bdb59f41

6875130470209 has 9 divisors (see below), whose sum is σ = 6886347487203. Its totient is φ = 6863931707472.

The previous prime is 6875130470179. The next prime is 6875130470237. The reversal of 6875130470209 is 9020740315786.

The square root of 6875130470209 is 2622047.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 642718079809 + 6232412390400 = 801697^2 + 2496480^2 .

It is not a de Polignac number, because 6875130470209 - 25 = 6875130470177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6875130470609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1948179157 + ... + 1948182685.

It is a 2-persistent number, because it is pandigital, and so is 2⋅6875130470209 = 13750260940418, but 3⋅6875130470209 = 20625391410627 is not.

Almost surely, 26875130470209 is an apocalyptic number.

6875130470209 is the 2622047-th square number.

6875130470209 is the 1311024-th centered octagonal number.

It is an amenable number.

6875130470209 is a deficient number, since it is larger than the sum of its proper divisors (11217016994).

6875130470209 is an frugal number, since it uses more digits than its factorization.

6875130470209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 6875130470209 in words is "six trillion, eight hundred seventy-five billion, one hundred thirty million, four hundred seventy thousand, two hundred nine".

Divisors: 1 743 3529 552049 2622047 12453841 1948180921 9253203863 6875130470209