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5382121449 = 310916459087
BaseRepresentation
bin1010000001100110…
…01010011111101001
3111220002102002122110
411000303022133221
542010310341244
62250021312533
7250242164115
oct50063123751
914802362573
105382121449
112312081561
121062565749
1367a080563
14390b30745
152177879b9
hex140cca7e9

5382121449 has 8 divisors (see below), whose sum is σ = 7241998720. Its totient is φ = 3555162576.

The previous prime is 5382121429. The next prime is 5382121487. The reversal of 5382121449 is 9441212835.

5382121449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5382121449 - 27 = 5382121321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5382121429) 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, 8229217 + ... + 8229870.

It is an arithmetic number, because the mean of its divisors is an integer number (905249840).

Almost surely, 25382121449 is an apocalyptic number.

It is an amenable number.

5382121449 is a deficient number, since it is larger than the sum of its proper divisors (1859877271).

5382121449 is a wasteful number, since it uses less digits than its factorization.

5382121449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16459199.

The product of its digits is 69120, while the sum is 39.

The square root of 5382121449 is about 73362.9432956448. The cubic root of 5382121449 is about 1752.4723095768.

The spelling of 5382121449 in words is "five billion, three hundred eighty-two million, one hundred twenty-one thousand, four hundred forty-nine".

Divisors: 1 3 109 327 16459087 49377261 1794040483 5382121449