Base | Representation |
---|---|
bin | 11100000100100111… |
… | …001100100101110101 |
3 | 2212210122210010112202 |
4 | 130010213030211311 |
5 | 443212342431000 |
6 | 21502550554245 |
7 | 2114644043165 |
oct | 340447144565 |
9 | 85718703482 |
10 | 30142155125 |
11 | 11868508305 |
12 | 5a12668985 |
13 | 2ac4978364 |
14 | 165d2905a5 |
15 | bb6358dd5 |
hex | 7049cc975 |
30142155125 has 16 divisors (see below), whose sum is σ = 37623268800. Its totient is φ = 24109968400.
The previous prime is 30142155101. The next prime is 30142155137. The reversal of 30142155125 is 52155124103.
It is not a de Polignac number, because 30142155125 - 210 = 30142154101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012706 + ... + 1042044.
It is an arithmetic number, because the mean of its divisors is an integer number (2351454300).
Almost surely, 230142155125 is an apocalyptic number.
It is an amenable number.
30142155125 is a deficient number, since it is larger than the sum of its proper divisors (7481113675).
30142155125 is an equidigital number, since it uses as much as digits as its factorization.
30142155125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37573 (or 37563 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 29.
Adding to 30142155125 its reverse (52155124103), we get a palindrome (82297279228).
The spelling of 30142155125 in words is "thirty billion, one hundred forty-two million, one hundred fifty-five thousand, one hundred twenty-five".
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