Base | Representation |
---|---|
bin | 11100010000101010… |
… | …110011100000001000 |
3 | 2220022202101122010020 |
4 | 130100222303200020 |
5 | 444121133140103 |
6 | 21535014220440 |
7 | 2122651243512 |
oct | 342052634010 |
9 | 86282348106 |
10 | 30344427528 |
11 | 11961702588 |
12 | 5a6a354720 |
13 | 2b27849a7c |
14 | 167c0a4bb2 |
15 | bc8eb1753 |
hex | 710ab3808 |
30344427528 has 64 divisors (see below), whose sum is σ = 79204003200. Its totient is φ = 9669580800.
The previous prime is 30344427521. The next prime is 30344427539. The reversal of 30344427528 is 82572444303.
It is a self number, because there is not a number n which added to its sum of digits gives 30344427528.
It is not an unprimeable number, because it can be changed into a prime (30344427521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028178 + ... + 1057278.
It is an arithmetic number, because the mean of its divisors is an integer number (1237562550).
Almost surely, 230344427528 is an apocalyptic number.
It is an amenable number.
30344427528 is an abundant number, since it is smaller than the sum of its proper divisors (48859575672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30344427528 is a wasteful number, since it uses less digits than its factorization.
30344427528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31022 (or 31018 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 42.
It can be divided in two parts, 303444275 and 28, that added together give a palindrome (303444303).
The spelling of 30344427528 in words is "thirty billion, three hundred forty-four million, four hundred twenty-seven thousand, five hundred twenty-eight".
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