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30142111224 = 2331423882587
BaseRepresentation
bin11100000100100111…
…000001110111111000
32212210122200220022210
4130010213001313320
5443212340024344
621502550015120
72114643501201
oct340447016770
985718626283
1030142111224
1111868488325
125a126474a0
132ac4961394
14165d27c5a8
15bb634adb9
hex7049c1df8

30142111224 has 32 divisors (see below), whose sum is σ = 75408318720. Its totient is φ = 10040298336.

The previous prime is 30142111193. The next prime is 30142111229. The reversal of 30142111224 is 42211124103.

It is a self number, because there is not a number n which added to its sum of digits gives 30142111224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142111229) 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, 407142 + ... + 475445.

It is an arithmetic number, because the mean of its divisors is an integer number (2356509960).

Almost surely, 230142111224 is an apocalyptic number.

It is an amenable number.

30142111224 is an abundant number, since it is smaller than the sum of its proper divisors (45266207496).

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

30142111224 is a wasteful number, since it uses less digits than its factorization.

30142111224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884019 (or 884015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 30142111224 its reverse (42211124103), we get a palindrome (72353235327).

The spelling of 30142111224 in words is "thirty billion, one hundred forty-two million, one hundred eleven thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1423 2846 4269 5692 8538 11384 17076 34152 882587 1765174 2647761 3530348 5295522 7060696 10591044 21182088 1255921301 2511842602 3767763903 5023685204 7535527806 10047370408 15071055612 30142111224