Search a number
-
+
6745008415 = 51349001683
BaseRepresentation
bin1100100100000100…
…01010100100011111
3122102001220221002111
412102002022210133
5102303210232130
63033144534451
7326101424365
oct62202124437
918361827074
106745008415
112951421722
121382a81427
13836536552
1447db41635
1529724b02a
hex19208a91f

6745008415 has 4 divisors (see below), whose sum is σ = 8094010104. Its totient is φ = 5396006728.

The previous prime is 6745008407. The next prime is 6745008463. The reversal of 6745008415 is 5148005476.

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

It is a cyclic number.

It is not a de Polignac number, because 6745008415 - 23 = 6745008407 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674500837 + ... + 674500846.

It is an arithmetic number, because the mean of its divisors is an integer number (2023502526).

Almost surely, 26745008415 is an apocalyptic number.

6745008415 is a deficient number, since it is larger than the sum of its proper divisors (1349001689).

6745008415 is a wasteful number, since it uses less digits than its factorization.

6745008415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349001688.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 6745008415 is about 82128.0001887298. Note that the first 3 decimals coincide. The cubic root of 6745008415 is about 1889.4156078884.

The spelling of 6745008415 in words is "six billion, seven hundred forty-five million, eight thousand, four hundred fifteen".

Divisors: 1 5 1349001683 6745008415