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6141621793 = 20173044929
BaseRepresentation
bin1011011100001000…
…11011011000100001
3120212000112201020211
411232010123120201
5100034223344133
62453232134121
7305123631616
oct55604333041
916760481224
106141621793
11267187039a
121234997341
1376b523348
1442395650d
1525e2aebcd
hex16e11b621

6141621793 has 4 divisors (see below), whose sum is σ = 6144668740. Its totient is φ = 6138574848.

The previous prime is 6141621757. The next prime is 6141621797. The reversal of 6141621793 is 3971261416.

6141621793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3127941184 + 3013680609 = 55928^2 + 54897^2 .

It is a cyclic number.

It is not a de Polignac number, because 6141621793 - 213 = 6141613601 is a prime.

It is the 78369-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6141621797) by changing a digit.

It is a nontrivial repunit in base 78368.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520448 + ... + 1524481.

It is an arithmetic number, because the mean of its divisors is an integer number (1536167185).

Almost surely, 26141621793 is an apocalyptic number.

It is an amenable number.

6141621793 is a deficient number, since it is larger than the sum of its proper divisors (3046947).

6141621793 is a wasteful number, since it uses less digits than its factorization.

6141621793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046946.

The product of its digits is 54432, while the sum is 40.

The square root of 6141621793 is about 78368.5000047851. The cubic root of 6141621793 is about 1831.3064409711.

The spelling of 6141621793 in words is "six billion, one hundred forty-one million, six hundred twenty-one thousand, seven hundred ninety-three".

Divisors: 1 2017 3044929 6141621793