Base | Representation |
---|---|
bin | 11100000011011110… |
… | …101000100001100000 |
3 | 2212202022222201010111 |
4 | 130003132220201200 |
5 | 443143010224044 |
6 | 21501031141104 |
7 | 2114323256155 |
oct | 340336504140 |
9 | 85668881114 |
10 | 30123133024 |
11 | 118587a5766 |
12 | 5a08214794 |
13 | 2ac0a4808a |
14 | 165a93c22c |
15 | bb484cb34 |
hex | 7037a8860 |
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".
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