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30144044442 = 2318164742901
BaseRepresentation
bin11100000100101110…
…011001110110011010
32212210210100010012110
4130010232121312122
5443213333410232
621503055253150
72114666102331
oct340456316632
985723303173
1030144044442
1111869588826
125a1321a1b6
132ac518a2b5
14165d622d18
15bb65cdacc
hex704b99d9a

30144044442 has 32 divisors (see below), whose sum is σ = 60716283264. Its totient is φ = 9976824000.

The previous prime is 30144044429. The next prime is 30144044449. The reversal of 30144044442 is 24444044103.

It is not an unprimeable number, because it can be changed into a prime (30144044449) 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, 681192 + ... + 724092.

It is an arithmetic number, because the mean of its divisors is an integer number (1897383852).

Almost surely, 230144044442 is an apocalyptic number.

30144044442 is an abundant number, since it is smaller than the sum of its proper divisors (30572238822).

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

30144044442 is a wasteful number, since it uses less digits than its factorization.

30144044442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43734.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 30144044442 its reverse (24444044103), we get a palindrome (54588088545).

The spelling of 30144044442 in words is "thirty billion, one hundred forty-four million, forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 181 362 543 647 1086 1294 1941 3882 42901 85802 117107 128703 234214 257406 351321 702642 7765081 15530162 23295243 27756947 46590486 55513894 83270841 166541682 5024007407 10048014814 15072022221 30144044442