Base | Representation |
---|---|
bin | 111110011001111… |
… | …111010001001110 |
3 | 2200222010010012001 |
4 | 332121333101032 |
5 | 4121013001032 |
6 | 251520502514 |
7 | 34642232356 |
oct | 7631772116 |
9 | 2628103161 |
10 | 1047000142 |
11 | 498005781 |
12 | 25277aa3a |
13 | 138bb5016 |
14 | 9d0a3b66 |
15 | 61db73e7 |
hex | 3e67f44e |
1047000142 has 4 divisors (see below), whose sum is σ = 1570500216. Its totient is φ = 523500070.
The previous prime is 1047000121. The next prime is 1047000161. The reversal of 1047000142 is 2410007401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2410007401 = 877 ⋅2748013.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261750034 + ... + 261750037.
It is an arithmetic number, because the mean of its divisors is an integer number (392625054).
Almost surely, 21047000142 is an apocalyptic number.
1047000142 is a deficient number, since it is larger than the sum of its proper divisors (523500074).
1047000142 is an equidigital number, since it uses as much as digits as its factorization.
1047000142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523500073.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 1047000142 is about 32357.3815689712. The cubic root of 1047000142 is about 1015.4274828229.
Adding to 1047000142 its reverse (2410007401), we get a palindrome (3457007543).
The spelling of 1047000142 in words is "one billion, forty-seven million, one hundred forty-two", and thus it is an aban number.
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