Base | Representation |
---|---|
bin | 11100010110100111… |
… | …011100100010001000 |
3 | 2220120201011010100220 |
4 | 130112213130202020 |
5 | 444322204212222 |
6 | 21552541030040 |
7 | 2125302342435 |
oct | 342647344210 |
9 | 86521133326 |
10 | 30444210312 |
11 | 11a02a6589a |
12 | 5a97855320 |
13 | 2b42415739 |
14 | 168b43ab8c |
15 | bd2b21b5c |
hex | 7169dc888 |
30444210312 has 64 divisors (see below), whose sum is σ = 76769035200. Its totient is φ = 10060427520.
The previous prime is 30444210301. The next prime is 30444210319. The reversal of 30444210312 is 21301244403.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (30444210319) 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, 3507514 + ... + 3516182.
It is an arithmetic number, because the mean of its divisors is an integer number (1199516175).
Almost surely, 230444210312 is an apocalyptic number.
It is an amenable number.
30444210312 is an abundant number, since it is smaller than the sum of its proper divisors (46324824888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30444210312 is a wasteful number, since it uses less digits than its factorization.
30444210312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9926 (or 9922 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 30444210312 its reverse (21301244403), we get a palindrome (51745454715).
The spelling of 30444210312 in words is "thirty billion, four hundred forty-four million, two hundred ten thousand, three hundred twelve".
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