Base | Representation |
---|---|
bin | 11011111110110101… |
… | …011011110110100000 |
3 | 2212112220101112112010 |
4 | 123332311123312200 |
5 | 443013034134402 |
6 | 21445205232520 |
7 | 2112356123163 |
oct | 337665336640 |
9 | 85486345463 |
10 | 30045224352 |
11 | 11818822830 |
12 | 59a6102740 |
13 | 2aaa86a880 |
14 | 165045bada |
15 | bacaada6c |
hex | 6fed5bda0 |
30045224352 has 96 divisors (see below), whose sum is σ = 92656992960. Its totient is φ = 8404254720.
The previous prime is 30045224317. The next prime is 30045224353. The reversal of 30045224352 is 25342254003.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (30045224353) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080577 + ... + 1108032.
It is an arithmetic number, because the mean of its divisors is an integer number (965177010).
Almost surely, 230045224352 is an apocalyptic number.
30045224352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30045224352 is an abundant number, since it is smaller than the sum of its proper divisors (62611768608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30045224352 is a wasteful number, since it uses less digits than its factorization.
30045224352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2188646 (or 2188638 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 30.
Adding to 30045224352 its reverse (25342254003), we get a palindrome (55387478355).
The spelling of 30045224352 in words is "thirty billion, forty-five million, two hundred twenty-four thousand, three hundred fifty-two".
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