Base | Representation |
---|---|
bin | 11100000011100010… |
… | …111001011000101010 |
3 | 2212202102002111020122 |
4 | 130003202321120222 |
5 | 443143302010131 |
6 | 21501111123242 |
7 | 2114335622456 |
oct | 340342713052 |
9 | 85672074218 |
10 | 30124250666 |
11 | 11859399434 |
12 | 5a08673522 |
13 | 2ac10499c3 |
14 | 165ab4d666 |
15 | bb49bdd7b |
hex | 7038b962a |
30124250666 has 16 divisors (see below), whose sum is σ = 45426601440. Its totient is φ = 14982087120.
The previous prime is 30124250647. The next prime is 30124250677. The reversal of 30124250666 is 66605242103.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551565 + ... + 2563343.
It is an arithmetic number, because the mean of its divisors is an integer number (2839162590).
Almost surely, 230124250666 is an apocalyptic number.
30124250666 is a deficient number, since it is larger than the sum of its proper divisors (15302350774).
30124250666 is a wasteful number, since it uses less digits than its factorization.
30124250666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18469.
The product of its (nonzero) digits is 51840, while the sum is 35.
Adding to 30124250666 its reverse (66605242103), we get a palindrome (96729492769).
The spelling of 30124250666 in words is "thirty billion, one hundred twenty-four million, two hundred fifty thousand, six hundred sixty-six".
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