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30202230233 = 729991438681
BaseRepresentation
bin11100001000001100…
…010111010111011001
32212221211211021002202
4130020030113113121
5443323232331413
621512534335545
72116303502240
oct341014272731
985854737082
1030202230233
111189940a65a
125a2a7ba5b5
132b04250566
14166724b957
15bbb773e58
hex7083175d9

30202230233 has 8 divisors (see below), whose sum is σ = 34528368000. Its totient is φ = 25878975840.

The previous prime is 30202230181. The next prime is 30202230251. The reversal of 30202230233 is 33203220203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30202230233 - 212 = 30202226137 is a prime.

It is a super-2 number, since 2×302022302332 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30202230433) 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 7 ways as a sum of consecutive naturals, for example, 698348 + ... + 740333.

It is an arithmetic number, because the mean of its divisors is an integer number (4316046000).

Almost surely, 230202230233 is an apocalyptic number.

It is an amenable number.

30202230233 is a deficient number, since it is larger than the sum of its proper divisors (4326137767).

30202230233 is a wasteful number, since it uses less digits than its factorization.

30202230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441687.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30202230233 its reverse (33203220203), we get a palindrome (63405450436).

The spelling of 30202230233 in words is "thirty billion, two hundred two million, two hundred thirty thousand, two hundred thirty-three".

Divisors: 1 7 2999 20993 1438681 10070767 4314604319 30202230233