Search a number
-
+
30303231201 = 324378302923
BaseRepresentation
bin11100001110001101…
…101001110011100001
32220012212212122101100
4130032031221303201
5444030111344301
621530543225013
72121641133555
oct341615516341
986185778340
1030303231201
1111940425131
125a585a8169
132b1c154849
14167681d865
15bc5575286
hex70e369ce1

30303231201 has 12 divisors (see below), whose sum is σ = 44789272528. Its totient is φ = 19732336344.

The previous prime is 30303231107. The next prime is 30303231209. The reversal of 30303231201 is 10213230303.

It is not a de Polignac number, because 30303231201 - 29 = 30303230689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30303231209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39151075 + ... + 39151848.

Almost surely, 230303231201 is an apocalyptic number.

It is an amenable number.

30303231201 is a deficient number, since it is larger than the sum of its proper divisors (14486041327).

30303231201 is a wasteful number, since it uses less digits than its factorization.

30303231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78302972 (or 78302969 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30303231201 its reverse (10213230303), we get a palindrome (40516461504).

The spelling of 30303231201 in words is "thirty billion, three hundred three million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 3 9 43 129 387 78302923 234908769 704726307 3367025689 10101077067 30303231201