Base | Representation |
---|---|
bin | 11100001110110000… |
… | …010000011101101010 |
3 | 2220020111221111210020 |
4 | 130032300100131222 |
5 | 444034422134232 |
6 | 21531505501310 |
7 | 2122111214412 |
oct | 341660203552 |
9 | 86214844706 |
10 | 30312302442 |
11 | 11945560524 |
12 | 5a5b641836 |
13 | 2b20cac746 |
14 | 1677b01642 |
15 | bc6267e2c |
hex | 70ec1076a |
30312302442 has 16 divisors (see below), whose sum is σ = 61652141280. Its totient is φ = 9932844752.
The previous prime is 30312302437. The next prime is 30312302453. The reversal of 30312302442 is 24420321303.
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, 42813633 + ... + 42814340.
It is an arithmetic number, because the mean of its divisors is an integer number (3853258830).
Almost surely, 230312302442 is an apocalyptic number.
30312302442 is an abundant number, since it is smaller than the sum of its proper divisors (31339838838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30312302442 is a wasteful number, since it uses less digits than its factorization.
30312302442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85628037.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 30312302442 its reverse (24420321303), we get a palindrome (54732623745).
The spelling of 30312302442 in words is "thirty billion, three hundred twelve million, three hundred two thousand, four hundred forty-two".
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