Base | Representation |
---|---|
bin | 11100110000111000… |
… | …00110001111101010 |
3 | 1110212012121102100010 |
4 | 32120130012033222 |
5 | 223111223414310 |
6 | 11032200152350 |
7 | 1054451161653 |
oct | 163034061752 |
9 | 43765542303 |
10 | 15442404330 |
11 | 660491aa31 |
12 | 2bab7686b6 |
13 | 15c13b6672 |
14 | a66ca652a |
15 | 605aa2320 |
hex | 3987063ea |
15442404330 has 16 divisors (see below), whose sum is σ = 37061770464. Its totient is φ = 4117974480.
The previous prime is 15442404281. The next prime is 15442404343. The reversal of 15442404330 is 3340424451.
15442404330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 514746811 = 15442404330 / (1 + 5 + 4 + 4 + 2 + 4 + 0 + 4 + 3 + 3 + 0).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257373376 + ... + 257373435.
It is an arithmetic number, because the mean of its divisors is an integer number (2316360654).
Almost surely, 215442404330 is an apocalyptic number.
15442404330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15442404330 is an abundant number, since it is smaller than the sum of its proper divisors (21619366134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15442404330 is a wasteful number, since it uses less digits than its factorization.
15442404330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514746821.
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 15442404330 its reverse (3340424451), we get a palindrome (18782828781).
The spelling of 15442404330 in words is "fifteen billion, four hundred forty-two million, four hundred four thousand, three hundred thirty".
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