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4786809957 = 325310035241
BaseRepresentation
bin1000111010101000…
…01110110001100101
3110100121020010210200
410131110032301211
534300410404312
62110553541113
7226423133106
oct43524166145
913317203720
104786809957
112037036196
12b17114799
135b3936a37
14335a483ad
151d03940dc
hex11d50ec65

4786809957 has 12 divisors (see below), whose sum is σ = 7044739884. Its totient is φ = 3130994880.

The previous prime is 4786809941. The next prime is 4786809961. The reversal of 4786809957 is 7599086874.

It can be written as a sum of positive squares in 2 ways, for example, as 1620384516 + 3166425441 = 40254^2 + 56271^2 .

It is not a de Polignac number, because 4786809957 - 24 = 4786809941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4786809894 and 4786809903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4786809967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5017144 + ... + 5018097.

It is an arithmetic number, because the mean of its divisors is an integer number (587061657).

Almost surely, 24786809957 is an apocalyptic number.

It is an amenable number.

4786809957 is a deficient number, since it is larger than the sum of its proper divisors (2257929927).

4786809957 is a wasteful number, since it uses less digits than its factorization.

4786809957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035300 (or 10035297 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The square root of 4786809957 is about 69186.7758823895. The cubic root of 4786809957 is about 1685.3187863184.

The spelling of 4786809957 in words is "four billion, seven hundred eighty-six million, eight hundred nine thousand, nine hundred fifty-seven".

Divisors: 1 3 9 53 159 477 10035241 30105723 90317169 531867773 1595603319 4786809957