Search a number
-
+
30012330232 = 2319197449541
BaseRepresentation
bin11011111100110111…
…111101000011111000
32212110121111100021101
4123330313331003320
5442431124031412
621442032221144
72111506412023
oct337467750370
985417440241
1030012330232
11118011a5a05
12599709a7b4
132aa3ac14b1
141649d381ba
15ba9c62457
hex6fcdfd0f8

30012330232 has 16 divisors (see below), whose sum is σ = 59234862600. Its totient is φ = 14216366880.

The previous prime is 30012330197. The next prime is 30012330233. The reversal of 30012330232 is 23203321003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012330233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98724619 + ... + 98724922.

Almost surely, 230012330232 is an apocalyptic number.

It is an amenable number.

30012330232 is a deficient number, since it is larger than the sum of its proper divisors (29222532368).

30012330232 is a wasteful number, since it uses less digits than its factorization.

30012330232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197449566 (or 197449562 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30012330232 its reverse (23203321003), we get a palindrome (53215651235).

The spelling of 30012330232 in words is "thirty billion, twelve million, three hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 152 197449541 394899082 789798164 1579596328 3751541279 7503082558 15006165116 30012330232