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4941684661 = 172291269377
BaseRepresentation
bin1001001101000110…
…00001111110110101
3110202101122120221211
410212203001332311
540110032402121
62134205241421
7233313424624
oct44643017665
913671576854
104941684661
1121064a7911
12b5ab63271
13609a51684
1434c4416bb
151ddc87ce1
hex1268c1fb5

4941684661 has 8 divisors (see below), whose sum is σ = 5255224920. Its totient is φ = 4630683648.

The previous prime is 4941684641. The next prime is 4941684679. The reversal of 4941684661 is 1664861494.

It can be written as a sum of positive squares in 4 ways, for example, as 2038522500 + 2903162161 = 45150^2 + 53881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4941684661 - 213 = 4941676469 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 (4941684641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630796 + ... + 638581.

It is an arithmetic number, because the mean of its divisors is an integer number (656903115).

Almost surely, 24941684661 is an apocalyptic number.

It is an amenable number.

4941684661 is a deficient number, since it is larger than the sum of its proper divisors (313540259).

4941684661 is a wasteful number, since it uses less digits than its factorization.

4941684661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269623.

The product of its digits is 995328, while the sum is 49.

The square root of 4941684661 is about 70297.1170176985. The cubic root of 4941684661 is about 1703.3020779733.

The spelling of 4941684661 in words is "four billion, nine hundred forty-one million, six hundred eighty-four thousand, six hundred sixty-one".

Divisors: 1 17 229 3893 1269377 21579409 290687333 4941684661