Base | Representation |
---|---|
bin | 111001001111… |
… | …1001011011101 |
3 | 2002110202220012 |
4 | 1302133023131 |
5 | 30140342000 |
6 | 2551133005 |
7 | 513045623 |
oct | 162371335 |
9 | 62422805 |
10 | 30012125 |
11 | 15a39610 |
12 | a074165 |
13 | 62aa670 |
14 | 3db3513 |
15 | 297c735 |
hex | 1c9f2dd |
30012125 has 64 divisors (see below), whose sum is σ = 46545408. Its totient is φ = 19008000.
The previous prime is 30012107. The next prime is 30012139. The reversal of 30012125 is 52121003.
It is a happy number.
It is not a de Polignac number, because 30012125 - 210 = 30011101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 411089 + ... + 411161.
It is an arithmetic number, because the mean of its divisors is an integer number (727272).
Almost surely, 230012125 is an apocalyptic number.
It is an amenable number.
30012125 is a deficient number, since it is larger than the sum of its proper divisors (16533283).
30012125 is a wasteful number, since it uses less digits than its factorization.
30012125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135 (or 125 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 30012125 is about 5478.3323192373. The cubic root of 30012125 is about 310.7651062838.
Adding to 30012125 its reverse (52121003), we get a palindrome (82133128).
The spelling of 30012125 in words is "thirty million, twelve thousand, one hundred twenty-five".
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