Base | Representation |
---|---|
bin | 1111100000000… |
… | …10011100100010 |
3 | 100001200101100102 |
4 | 13300002130202 |
5 | 231242032232 |
6 | 20523022402 |
7 | 3136160150 |
oct | 760023442 |
9 | 301611312 |
10 | 130033442 |
11 | 67445060 |
12 | 3766aa02 |
13 | 20c2aa86 |
14 | 133ac3d0 |
15 | b638662 |
hex | 7c02722 |
130033442 has 32 divisors (see below), whose sum is σ = 257489280. Its totient is φ = 47681280.
The previous prime is 130033441. The next prime is 130033481. The reversal of 130033442 is 244330031.
It is not an unprimeable number, because it can be changed into a prime (130033441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22217 + ... + 27452.
It is an arithmetic number, because the mean of its divisors is an integer number (8046540).
Almost surely, 2130033442 is an apocalyptic number.
130033442 is a deficient number, since it is larger than the sum of its proper divisors (127455838).
130033442 is a wasteful number, since it uses less digits than its factorization.
130033442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49706.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 130033442 is about 11403.2206854029. The cubic root of 130033442 is about 506.6231367458.
Adding to 130033442 its reverse (244330031), we get a palindrome (374363473).
The spelling of 130033442 in words is "one hundred thirty million, thirty-three thousand, four hundred forty-two".
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