Search a number
-
+
30123004444 = 22131972940551
BaseRepresentation
bin11100000011011110…
…001001001000011100
32212202022202011202021
4130003132021020130
5443142442120234
621501024305524
72114322212251
oct340336111034
985668664667
1030123004444
11118587180a5
125a081722a4
132ac0a016b0
14165a907428
15bb48249b4
hex70378921c

30123004444 has 24 divisors (see below), whose sum is σ = 57058471008. Its totient is φ = 13832347200.

The previous prime is 30123004433. The next prime is 30123004489. The reversal of 30123004444 is 44440032103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460032 + ... + 1480519.

It is an arithmetic number, because the mean of its divisors is an integer number (2377436292).

Almost surely, 230123004444 is an apocalyptic number.

It is an amenable number.

30123004444 is a deficient number, since it is larger than the sum of its proper divisors (26935466564).

30123004444 is a wasteful number, since it uses less digits than its factorization.

30123004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940765 (or 2940763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30123004444 its reverse (44440032103), we get a palindrome (74563036547).

The spelling of 30123004444 in words is "thirty billion, one hundred twenty-three million, four thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 197 394 788 2561 5122 10244 2940551 5881102 11762204 38227163 76454326 152908652 579288547 1158577094 2317154188 7530751111 15061502222 30123004444