Search a number
-
+
30233012202 = 2321918793779
BaseRepresentation
bin11100001010000001…
…110010011111101010
32220000222202011000200
4130022001302133222
5443404122342302
621515554213030
72120126235501
oct341201623752
986028664020
1030233012202
11119048245a8
125a38b84176
132b0a73a443
14166b381838
15bbe30481c
hex70a0727ea

30233012202 has 24 divisors (see below), whose sum is σ = 65847824640. Its totient is φ = 10024906920.

The previous prime is 30233012191. The next prime is 30233012207. The reversal of 30233012202 is 20221033203.

It is a happy number.

30233012202 is a `hidden beast` number, since 302 + 330 + 12 + 20 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30233012207) 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 11 ways as a sum of consecutive naturals, for example, 4393452 + ... + 4400327.

It is an arithmetic number, because the mean of its divisors is an integer number (2743659360).

Almost surely, 230233012202 is an apocalyptic number.

30233012202 is an abundant number, since it is smaller than the sum of its proper divisors (35614812438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30233012202 is a wasteful number, since it uses less digits than its factorization.

30233012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793978 (or 8793975 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30233012202 its reverse (20221033203), we get a palindrome (50454045405).

The spelling of 30233012202 in words is "thirty billion, two hundred thirty-three million, twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 8793779 17587558 26381337 52762674 79144011 158288022 1679611789 3359223578 5038835367 10077670734 15116506101 30233012202