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3243078109 = 53445713729
BaseRepresentation
bin1100000101001101…
…0111000111011101
322101000102102211001
43001103113013131
523120211444414
61253450230301
7143236465135
oct30123270735
98330372731
103243078109
1114146a6647
12766125391
133c8b7243b
1422a9ddac5
1513eaac074
hexc14d71dd

3243078109 has 8 divisors (see below), whose sum is σ = 3305250360. Its totient is φ = 3180942336.

The previous prime is 3243078079. The next prime is 3243078119. The reversal of 3243078109 is 9018703423.

It can be written as a sum of positive squares in 4 ways, for example, as 868952484 + 2374125625 = 29478^2 + 48725^2 .

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 3243078109 - 221 = 3240980957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243078119) 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, 229357 + ... + 243085.

It is an arithmetic number, because the mean of its divisors is an integer number (413156295).

Almost surely, 23243078109 is an apocalyptic number.

It is an amenable number.

3243078109 is a deficient number, since it is larger than the sum of its proper divisors (62172251).

3243078109 is a wasteful number, since it uses less digits than its factorization.

3243078109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18239.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3243078109 is about 56948.0298956865. The cubic root of 3243078109 is about 1480.1956931701.

The spelling of 3243078109 in words is "three billion, two hundred forty-three million, seventy-eight thousand, one hundred nine".

Divisors: 1 53 4457 13729 236221 727637 61190153 3243078109