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5103120813 = 37243005753
BaseRepresentation
bin1001100000010101…
…10111000110101101
3111011122102101201120
410300022313012231
540422344331223
62202213331153
7240313545150
oct46012670655
914148371646
105103120813
11218964021a
12ba5036ab9
13634325a1b
14365a65c97
151ed025be3
hex1302b71ad

5103120813 has 8 divisors (see below), whose sum is σ = 7776184128. Its totient is φ = 2916069024.

The previous prime is 5103120779. The next prime is 5103120823. The reversal of 5103120813 is 3180213015.

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

It is not a de Polignac number, because 5103120813 - 213 = 5103112621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5103120823) 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, 121502856 + ... + 121502897.

It is an arithmetic number, because the mean of its divisors is an integer number (972023016).

Almost surely, 25103120813 is an apocalyptic number.

It is an amenable number.

5103120813 is a deficient number, since it is larger than the sum of its proper divisors (2673063315).

5103120813 is a wasteful number, since it uses less digits than its factorization.

5103120813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243005763.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5103120813 is about 71436.1310052553. The cubic root of 5103120813 is about 1721.6516509226.

Adding to 5103120813 its reverse (3180213015), we get a palindrome (8283333828).

The spelling of 5103120813 in words is "five billion, one hundred three million, one hundred twenty thousand, eight hundred thirteen".

Divisors: 1 3 7 21 243005753 729017259 1701040271 5103120813