Base | Representation |
---|---|
bin | 11100001110001001… |
… | …000010011000001100 |
3 | 2220012210121011110222 |
4 | 130032021002120030 |
5 | 444024304134012 |
6 | 21530501250512 |
7 | 2121624633635 |
oct | 341611023014 |
9 | 86183534428 |
10 | 30302021132 |
11 | 1193a778a79 |
12 | 5a58103a38 |
13 | 2b1bb1cb26 |
14 | 16765c688c |
15 | bc53d6972 |
hex | 70e24260c |
30302021132 has 12 divisors (see below), whose sum is σ = 53415607560. Its totient is φ = 15040418976.
The previous prime is 30302021119. The next prime is 30302021173. The reversal of 30302021132 is 23112020303.
It is a super-2 number, since 2×303020211322 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30302021132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27647282 + ... + 27648377.
It is an arithmetic number, because the mean of its divisors is an integer number (4451300630).
Almost surely, 230302021132 is an apocalyptic number.
It is an amenable number.
30302021132 is a deficient number, since it is larger than the sum of its proper divisors (23113586428).
30302021132 is a wasteful number, since it uses less digits than its factorization.
30302021132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55295800 (or 55295798 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30302021132 its reverse (23112020303), we get a palindrome (53414041435).
The spelling of 30302021132 in words is "thirty billion, three hundred two million, twenty-one thousand, one hundred thirty-two".
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