Search a number
-
+
5681028473 = 31183258983
BaseRepresentation
bin1010100101001110…
…11001110101111001
3112122220212010222222
411102213121311321
543113320402343
62335420053425
7260531642141
oct52247316571
915586763888
105681028473
11245587985a
121126694275
136c6c87a13
143bc6db921
15233b2ca68
hex1529d9d79

5681028473 has 4 divisors (see below), whose sum is σ = 5864287488. Its totient is φ = 5497769460.

The previous prime is 5681028467. The next prime is 5681028491. The reversal of 5681028473 is 3748201865.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3748201865 = 5749640373.

It is a cyclic number.

It is not a de Polignac number, because 5681028473 - 28 = 5681028217 is a prime.

It is a super-2 number, since 2×56810284732 = 64548169022073423458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5681021473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91629461 + ... + 91629522.

It is an arithmetic number, because the mean of its divisors is an integer number (1466071872).

Almost surely, 25681028473 is an apocalyptic number.

It is an amenable number.

5681028473 is a deficient number, since it is larger than the sum of its proper divisors (183259015).

5681028473 is a wasteful number, since it uses less digits than its factorization.

5681028473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183259014.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 5681028473 is about 75372.5976267237. The cubic root of 5681028473 is about 1784.3319637407.

The spelling of 5681028473 in words is "five billion, six hundred eighty-one million, twenty-eight thousand, four hundred seventy-three".

Divisors: 1 31 183258983 5681028473