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30230011242 = 2331015542723
BaseRepresentation
bin11100001001110110…
…010101110101101010
32220000210002200111000
4130021312111311222
5443402340324432
621515410015430
72120061566364
oct341166256552
986023080430
1030230011242
1111903064972
125a37b77576
132b09c29522
14166abddd34
15bbde1057c
hex709d95d6a

30230011242 has 32 divisors (see below), whose sum is σ = 67842941760. Its totient is φ = 9976899600.

The previous prime is 30230011193. The next prime is 30230011267. The reversal of 30230011242 is 24211003203.

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

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 in 15 ways as a sum of consecutive naturals, for example, 2765908 + ... + 2776815.

It is an arithmetic number, because the mean of its divisors is an integer number (2120091930).

Almost surely, 230230011242 is an apocalyptic number.

30230011242 is an abundant number, since it is smaller than the sum of its proper divisors (37612930518).

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

30230011242 is a wasteful number, since it uses less digits than its factorization.

30230011242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542835 (or 5542829 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30230011242 its reverse (24211003203), we get a palindrome (54441014445).

The spelling of 30230011242 in words is "thirty billion, two hundred thirty million, eleven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 101 202 303 606 909 1818 2727 5454 5542723 11085446 16628169 33256338 49884507 99769014 149653521 299307042 559815023 1119630046 1679445069 3358890138 5038335207 10076670414 15115005621 30230011242