Search a number
-
+
30148586003 = 37139811777
BaseRepresentation
bin11100000100111111…
…101110101000010011
32212211002212212001102
4130010333232220103
5443221014223003
621503340455015
72115052516124
oct340477565023
985732785042
1030148586003
11118710aa988
125a1484a46b
132ac60ba503
14166008604b
15bb6bc9588
hex704feea13

30148586003 has 4 divisors (see below), whose sum is σ = 30149434920. Its totient is φ = 30147737088.

The previous prime is 30148585981. The next prime is 30148586051. The reversal of 30148586003 is 30068584103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30068584103 = 103291928001.

It is a cyclic number.

It is not a de Polignac number, because 30148586003 - 230 = 29074844179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30148582003) 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, 368750 + ... + 443027.

It is an arithmetic number, because the mean of its divisors is an integer number (7537358730).

Almost surely, 230148586003 is an apocalyptic number.

30148586003 is a deficient number, since it is larger than the sum of its proper divisors (848917).

30148586003 is an equidigital number, since it uses as much as digits as its factorization.

30148586003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848916.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 30148586003 in words is "thirty billion, one hundred forty-eight million, five hundred eighty-six thousand, three".

Divisors: 1 37139 811777 30148586003