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4885909861 = 7823848101
BaseRepresentation
bin1001000110011100…
…10001000101100101
3110121111200221022111
410203032101011211
540001243103421
62124454001021
7232035356110
oct44316210545
913544627274
104885909861
112087a72438
12b44346171
135cb323931
14344c83577
151d8e1bee1
hex123391165

4885909861 has 8 divisors (see below), whose sum is σ = 5590688384. Its totient is φ = 4182829200.

The previous prime is 4885909859. The next prime is 4885909877. The reversal of 4885909861 is 1689095884.

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 4885909861 - 21 = 4885909859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4885909796 and 4885909805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4885919861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418290 + ... + 429811.

It is an arithmetic number, because the mean of its divisors is an integer number (698836048).

Almost surely, 24885909861 is an apocalyptic number.

It is an amenable number.

4885909861 is a deficient number, since it is larger than the sum of its proper divisors (704778523).

4885909861 is an equidigital number, since it uses as much as digits as its factorization.

4885909861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848931.

The product of its (nonzero) digits is 4976640, while the sum is 58.

The square root of 4885909861 is about 69899.2836944700. The cubic root of 4885909861 is about 1696.8696558821.

The spelling of 4885909861 in words is "four billion, eight hundred eighty-five million, nine hundred nine thousand, eight hundred sixty-one".

Divisors: 1 7 823 5761 848101 5936707 697987123 4885909861