Base | Representation |
---|---|
bin | 11100001001101111… |
… | …011110000011100000 |
3 | 2220000122201011111012 |
4 | 130021233132003200 |
5 | 443401410204023 |
6 | 21515303240052 |
7 | 2120040354542 |
oct | 341157360340 |
9 | 86018634435 |
10 | 30228209888 |
11 | 11902044548 |
12 | 5a37449028 |
13 | 2b09748636 |
14 | 166a891692 |
15 | bbdba6978 |
hex | 709bde0e0 |
30228209888 has 12 divisors (see below), whose sum is σ = 59511788280. Its totient is φ = 15114104928.
The previous prime is 30228209887. The next prime is 30228209897. The reversal of 30228209888 is 88890282203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30228209887) by changing a digit.
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 as a sum of consecutive naturals, namely, 472315748 + ... + 472315811.
It is an arithmetic number, because the mean of its divisors is an integer number (4959315690).
Almost surely, 230228209888 is an apocalyptic number.
It is an amenable number.
30228209888 is a deficient number, since it is larger than the sum of its proper divisors (29283578392).
30228209888 is an equidigital number, since it uses as much as digits as its factorization.
30228209888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 944631569 (or 944631561 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 50.
The spelling of 30228209888 in words is "thirty billion, two hundred twenty-eight million, two hundred nine thousand, eight hundred eighty-eight".
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