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4785849681 = 34181147977
BaseRepresentation
bin1000111010100001…
…00100010101010001
3110100112102100112220
410131100210111101
534300134142211
62110521211253
7226412023344
oct43520442521
913315370486
104785849681
11203653a778
12b16930b29
135b368b922
1433587845b
151d0254806
hex11d424551

4785849681 has 16 divisors (see below), whose sum is σ = 6544966848. Its totient is φ = 3108844800.

The previous prime is 4785849667. The next prime is 4785849697. The reversal of 4785849681 is 1869485874.

It is not a de Polignac number, because 4785849681 - 29 = 4785849169 is a prime.

It is a super-2 number, since 2×47858496812 = 45808714338255603522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4785849581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75765 + ... + 123741.

It is an arithmetic number, because the mean of its divisors is an integer number (409060428).

Almost surely, 24785849681 is an apocalyptic number.

4785849681 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4785849681 is a deficient number, since it is larger than the sum of its proper divisors (1759117167).

4785849681 is a wasteful number, since it uses less digits than its factorization.

4785849681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48832.

The product of its digits is 15482880, while the sum is 60.

The square root of 4785849681 is about 69179.8357977236. The cubic root of 4785849681 is about 1685.2060822121.

The spelling of 4785849681 in words is "four billion, seven hundred eighty-five million, eight hundred forty-nine thousand, six hundred eighty-one".

Divisors: 1 3 41 123 811 2433 33251 47977 99753 143931 1967057 5901171 38909347 116728041 1595283227 4785849681