Base | Representation |
---|---|
bin | 11100001110101011… |
… | …101101110101100000 |
3 | 2220020102201000211222 |
4 | 130032223231311200 |
5 | 444034121041112 |
6 | 21531424154212 |
7 | 2122065126005 |
oct | 341653556540 |
9 | 86212630758 |
10 | 30311112032 |
11 | 11944918113 |
12 | 5a5b168968 |
13 | 2b20983966 |
14 | 16778b18ac |
15 | bc60d0372 |
hex | 70eaedd60 |
30311112032 has 12 divisors (see below), whose sum is σ = 59675001876. Its totient is φ = 15155556000.
The previous prime is 30311112031. The next prime is 30311112089. The reversal of 30311112032 is 23021111303.
It is a self number, because there is not a number n which added to its sum of digits gives 30311112032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311112031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473611094 + ... + 473611157.
It is an arithmetic number, because the mean of its divisors is an integer number (4972916823).
Almost surely, 230311112032 is an apocalyptic number.
30311112032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30311112032 is a deficient number, since it is larger than the sum of its proper divisors (29363889844).
30311112032 is an equidigital number, since it uses as much as digits as its factorization.
30311112032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 947222261 (or 947222253 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30311112032 its reverse (23021111303), we get a palindrome (53332223335).
The spelling of 30311112032 in words is "thirty billion, three hundred eleven million, one hundred twelve thousand, thirty-two".
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