Search a number
4862871985 = 5972574397
BaseRepresentation
bin1001000011101100…
…11000100110110001
3110112220100111021211
410201312120212301
534424343400420
62122312120121
7231335505226
oct44166304661
913486314254
104862871985
112075a67774
12b38696041
135c661885a
14341ba794d
151d6dbae5a
hex121d989b1

4862871985 has 4 divisors (see below), whose sum is σ = 5835446388. Its totient is φ = 3890297584.

The previous prime is 4862871971. The next prime is 4862872013. The reversal of 4862871985 is 5891782684.

It is a happy number.

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 821854224 + 4041017761 = 28668^2 + 63569^2 .

It is a cyclic number.

It is not a de Polignac number, because 4862871985 - 27 = 4862871857 is a prime.

It is a super-4 number, since 4×48628719854 (a number of 40 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486287194 + ... + 486287203.

It is an arithmetic number, because the mean of its divisors is an integer number (1458861597).

Almost surely, 24862871985 is an apocalyptic number.

It is an amenable number.

4862871985 is a deficient number, since it is larger than the sum of its proper divisors (972574403).

4862871985 is an equidigital number, since it uses as much as digits as its factorization.

4862871985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972574402.

The product of its digits is 7741440, while the sum is 58.

The square root of 4862871985 is about 69734.2956155721. The cubic root of 4862871985 is about 1694.1984457099.

The spelling of 4862871985 in words is "four billion, eight hundred sixty-two million, eight hundred seventy-one thousand, nine hundred eighty-five".

Divisors: 1 5 972574397 4862871985