Search a number
-
+
30003011212 = 227500752803
BaseRepresentation
bin11011111100010100…
…011001111010001100
32212102221221212222111
4123330110121322030
5442421232324322
621441100353404
72111334246616
oct337424317214
985387855874
1030003011212
11117a6a10439
125993b45864
132aa1baa895
1416489cddb6
15ba9021177
hex6fc519e8c

30003011212 has 6 divisors (see below), whose sum is σ = 52505269628. Its totient is φ = 15001505604.

The previous prime is 30003011209. The next prime is 30003011231. The reversal of 30003011212 is 21211030003.

It is a junction number, because it is equal to n+sod(n) for n = 30003011192 and 30003011201.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3750376398 + ... + 3750376405.

Almost surely, 230003011212 is an apocalyptic number.

It is an amenable number.

30003011212 is a deficient number, since it is larger than the sum of its proper divisors (22502258416).

30003011212 is a wasteful number, since it uses less digits than its factorization.

30003011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500752807 (or 7500752805 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30003011212 its reverse (21211030003), we get a palindrome (51214041215).

The spelling of 30003011212 in words is "thirty billion, three million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 7500752803 15001505606 30003011212