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30123133024 = 252003469969
BaseRepresentation
bin11100000011011110…
…101000100001100000
32212202022222201010111
4130003132220201200
5443143010224044
621501031141104
72114323256155
oct340336504140
985668881114
1030123133024
11118587a5766
125a08214794
132ac0a4808a
14165a93c22c
15bb484cb34
hex7037a8860

30123133024 has 24 divisors (see below), whose sum is σ = 59334652440. Its totient is φ = 15054014976.

The previous prime is 30123133021. The next prime is 30123133031. The reversal of 30123133024 is 42033132103.

It is a junction number, because it is equal to n+sod(n) for n = 30123132986 and 30123133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123133021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170889 + ... + 299080.

It is an arithmetic number, because the mean of its divisors is an integer number (2472277185).

Almost surely, 230123133024 is an apocalyptic number.

It is an amenable number.

30123133024 is a deficient number, since it is larger than the sum of its proper divisors (29211519416).

30123133024 is a wasteful number, since it uses less digits than its factorization.

30123133024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471982 (or 471974 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30123133024 its reverse (42033132103), we get a palindrome (72156265127).

The spelling of 30123133024 in words is "thirty billion, one hundred twenty-three million, one hundred thirty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 32 2003 4006 8012 16024 32048 64096 469969 939938 1879876 3759752 7519504 15039008 941347907 1882695814 3765391628 7530783256 15061566512 30123133024