Search a number
-
+
2486030813 = 71918691961
BaseRepresentation
bin1001010000101101…
…1101000111011101
320102020220110011022
42110023131013131
520042410441223
61050404133525
7115414625150
oct22413350735
96366813138
102486030813
111066332822
125946972a5
1330807b066
14198255c97
15e83bbac8
hex942dd1dd

2486030813 has 8 divisors (see below), whose sum is σ = 2990713920. Its totient is φ = 2018731680.

The previous prime is 2486030809. The next prime is 2486030821. The reversal of 2486030813 is 3180306842.

It is a happy number.

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

It is not a de Polignac number, because 2486030813 - 22 = 2486030809 is a prime.

It is a super-3 number, since 3×24860308133 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2486030803) 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, 9345848 + ... + 9346113.

It is an arithmetic number, because the mean of its divisors is an integer number (373839240).

Almost surely, 22486030813 is an apocalyptic number.

It is an amenable number.

2486030813 is a deficient number, since it is larger than the sum of its proper divisors (504683107).

2486030813 is a wasteful number, since it uses less digits than its factorization.

2486030813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691987.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2486030813 is about 49860.1124447188. The cubic root of 2486030813 is about 1354.6762048167.

The spelling of 2486030813 in words is "two billion, four hundred eighty-six million, thirty thousand, eight hundred thirteen".

Divisors: 1 7 19 133 18691961 130843727 355147259 2486030813