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30124222012 = 2231372400719
BaseRepresentation
bin11100000011100010…
…110010011000111100
32212202102001000221101
4130003202302120330
5443143300101022
621501110342444
72114335443103
oct340342623074
985672030841
1030124222012
1111859379955
125a0865aa24
132ac1039951
14165ab4303a
15bb49b5627
hex7038b263c

30124222012 has 12 divisors (see below), whose sum is σ = 52734215520. Its totient is φ = 15057303296.

The previous prime is 30124221979. The next prime is 30124222039. The reversal of 30124222012 is 21022242103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187812 + ... + 1212907.

It is an arithmetic number, because the mean of its divisors is an integer number (4394517960).

Almost surely, 230124222012 is an apocalyptic number.

It is an amenable number.

30124222012 is a deficient number, since it is larger than the sum of its proper divisors (22609993508).

30124222012 is a wasteful number, since it uses less digits than its factorization.

30124222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403860 (or 2403858 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30124222012 its reverse (21022242103), we get a palindrome (51146464115).

The spelling of 30124222012 in words is "thirty billion, one hundred twenty-four million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 3137 6274 12548 2400719 4801438 9602876 7531055503 15062111006 30124222012