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5180684387 = 34691493423
BaseRepresentation
bin1001101001100101…
…01111100001100011
3111101001101000221112
410310302233201203
541102223400022
62214024013535
7242245043054
oct46462574143
914331330845
105180684387
1122193a794a
1210070012ab
13647412128
1437209672b
15204c478e2
hex134caf863

5180684387 has 4 divisors (see below), whose sum is σ = 5182181280. Its totient is φ = 5179187496.

The previous prime is 5180684371. The next prime is 5180684407. The reversal of 5180684387 is 7834860815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5180684387 - 24 = 5180684371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5180684317) 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 3 ways as a sum of consecutive naturals, for example, 743243 + ... + 750180.

It is an arithmetic number, because the mean of its divisors is an integer number (1295545320).

Almost surely, 25180684387 is an apocalyptic number.

5180684387 is a deficient number, since it is larger than the sum of its proper divisors (1496893).

5180684387 is a wasteful number, since it uses less digits than its factorization.

5180684387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496892.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 5180684387 is about 71976.9712269140. The cubic root of 5180684387 is about 1730.3304287150.

The spelling of 5180684387 in words is "five billion, one hundred eighty million, six hundred eighty-four thousand, three hundred eighty-seven".

Divisors: 1 3469 1493423 5180684387