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30242423112 = 23311467245299
BaseRepresentation
bin11100001010100101…
…101100000101001000
32220001122110021100220
4130022211230011020
5443414030014422
621520532030040
72120302232526
oct341245540510
986048407326
1030242423112
111190a072110
125a40162320
132b0c683b25
14166c711316
15bc0062e5c
hex70a96c148

30242423112 has 64 divisors (see below), whose sum is σ = 82656288000. Its totient is φ = 9144709440.

The previous prime is 30242423111. The next prime is 30242423131. The reversal of 30242423112 is 21132424203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30242423111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639 + ... + 245937.

It is an arithmetic number, because the mean of its divisors is an integer number (1291504500).

Almost surely, 230242423112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30242423112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41328144000).

30242423112 is an abundant number, since it is smaller than the sum of its proper divisors (52413864888).

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

30242423112 is a wasteful number, since it uses less digits than its factorization.

30242423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245786 (or 245782 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30242423112 its reverse (21132424203), we get a palindrome (51374847315).

It can be divided in two parts, 30242 and 423112, that added together give a palindrome (453354).

The spelling of 30242423112 in words is "thirty billion, two hundred forty-two million, four hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 467 934 1401 1868 2802 3736 5137 5604 10274 11208 15411 20548 30822 41096 61644 123288 245299 490598 735897 981196 1471794 1962392 2698289 2943588 5396578 5887176 8094867 10793156 16189734 21586312 32379468 64758936 114554633 229109266 343663899 458218532 687327798 916437064 1260100963 1374655596 2520201926 2749311192 3780302889 5040403852 7560605778 10080807704 15121211556 30242423112