Base | Representation |
---|---|
bin | 11100001110001001… |
… | …011101010010000100 |
3 | 2220012210210202122110 |
4 | 130032021131102010 |
5 | 444024321200312 |
6 | 21530503501020 |
7 | 2121625603134 |
oct | 341611352204 |
9 | 86183722573 |
10 | 30302131332 |
11 | 1193a843850 |
12 | 5a58157770 |
13 | 2b1bb5b035 |
14 | 1676614ac4 |
15 | bc540943c |
hex | 70e25d484 |
30302131332 has 48 divisors (see below), whose sum is σ = 77240217600. Its totient is φ = 9169664160.
The previous prime is 30302131319. The next prime is 30302131337. The reversal of 30302131332 is 23313120303.
It is a junction number, because it is equal to n+sod(n) for n = 30302131299 and 30302131308.
It is not an unprimeable number, because it can be changed into a prime (30302131337) 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, 64732 + ... + 254547.
It is an arithmetic number, because the mean of its divisors is an integer number (1609171200).
Almost surely, 230302131332 is an apocalyptic number.
It is an amenable number.
30302131332 is an abundant number, since it is smaller than the sum of its proper divisors (46938086268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302131332 is a wasteful number, since it uses less digits than its factorization.
30302131332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320016 (or 320014 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30302131332 its reverse (23313120303), we get a palindrome (53615251635).
The spelling of 30302131332 in words is "thirty billion, three hundred two million, one hundred thirty-one thousand, three hundred thirty-two".
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