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5109106729 = 18128227109
BaseRepresentation
bin1001100001000011…
…01100100000101001
3111012001200111212011
410300201230200221
540430412403404
62202545515521
7240415455616
oct46041544051
914161614764
105109106729
112191a59561
12ba7042ba1
1363564049c
1436678350d
151ed809604
hex13086c829

5109106729 has 4 divisors (see below), whose sum is σ = 5137334020. Its totient is φ = 5080879440.

The previous prime is 5109106703. The next prime is 5109106811. The reversal of 5109106729 is 9276019015.

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 313821225 + 4795285504 = 17715^2 + 69248^2 .

It is a cyclic number.

It is not a de Polignac number, because 5109106729 - 215 = 5109073961 is a prime.

It is a super-2 number, since 2×51091067292 = 52205943136626158882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5109106691 and 5109106700.

It is not an unprimeable number, because it can be changed into a prime (5109106529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14113374 + ... + 14113735.

It is an arithmetic number, because the mean of its divisors is an integer number (1284333505).

Almost surely, 25109106729 is an apocalyptic number.

It is an amenable number.

5109106729 is a deficient number, since it is larger than the sum of its proper divisors (28227291).

5109106729 is a wasteful number, since it uses less digits than its factorization.

5109106729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28227290.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 5109106729 is about 71478.0157041310. The cubic root of 5109106729 is about 1722.3245486572.

The spelling of 5109106729 in words is "five billion, one hundred nine million, one hundred six thousand, seven hundred twenty-nine".

Divisors: 1 181 28227109 5109106729