Search a number
-
+
5687668061 = 28320097767
BaseRepresentation
bin1010100110000001…
…01110110101011101
3112200101100110210122
411103000232311131
543122020334221
62340214244325
7260642244425
oct52300566535
915611313718
105687668061
1124595a4219
1211289566a5
136c8470b7a
143bd549485
152344deeab
hex15302ed5d

5687668061 has 4 divisors (see below), whose sum is σ = 5707766112. Its totient is φ = 5667570012.

The previous prime is 5687668057. The next prime is 5687668067. The reversal of 5687668061 is 1608667865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5687668061 - 22 = 5687668057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5687667994 and 5687668012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687668067) 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, 10048601 + ... + 10049166.

It is an arithmetic number, because the mean of its divisors is an integer number (1426941528).

Almost surely, 25687668061 is an apocalyptic number.

It is an amenable number.

5687668061 is a deficient number, since it is larger than the sum of its proper divisors (20098051).

5687668061 is a wasteful number, since it uses less digits than its factorization.

5687668061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20098050.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 5687668061 is about 75416.6298703409. The cubic root of 5687668061 is about 1785.0268271644.

The spelling of 5687668061 in words is "five billion, six hundred eighty-seven million, six hundred sixty-eight thousand, sixty-one".

Divisors: 1 283 20097767 5687668061