Search a number
-
+
5181869001 = 31727289667
BaseRepresentation
bin1001101001101110…
…10000101111001001
3111101010121012221010
410310313100233021
541103024302001
62214105234133
7242261105541
oct46467205711
914333535833
105181869001
11221a036971
121007492949
1364773839a
143722c4321
15204dcd8d6
hex134dd0bc9

5181869001 has 4 divisors (see below), whose sum is σ = 6909158672. Its totient is φ = 3454579332.

The previous prime is 5181868969. The next prime is 5181869003. The reversal of 5181869001 is 1009681815.

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 not a de Polignac number, because 5181869001 - 25 = 5181868969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5181869003) 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, 863644831 + ... + 863644836.

It is an arithmetic number, because the mean of its divisors is an integer number (1727289668).

Almost surely, 25181869001 is an apocalyptic number.

It is an amenable number.

5181869001 is a deficient number, since it is larger than the sum of its proper divisors (1727289671).

5181869001 is a wasteful number, since it uses less digits than its factorization.

5181869001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727289670.

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 5181869001 is about 71985.1998746965. The cubic root of 5181869001 is about 1730.4623043054.

The spelling of 5181869001 in words is "five billion, one hundred eighty-one million, eight hundred sixty-nine thousand, one".

Divisors: 1 3 1727289667 5181869001