Base | Representation |
---|---|
bin | 10000111100100… |
… | …00010000000111 |
3 | 100220110220020112 |
4 | 20132100100013 |
5 | 242342223430 |
6 | 22034423235 |
7 | 3344146310 |
oct | 1036202007 |
9 | 326426215 |
10 | 142148615 |
11 | 7326a3a4 |
12 | 3b731b1b |
13 | 235b030b |
14 | 14c43607 |
15 | c72d195 |
hex | 8790407 |
142148615 has 16 divisors (see below), whose sum is σ = 195193152. Its totient is φ = 97350144.
The previous prime is 142148569. The next prime is 142148647. The reversal of 142148615 is 516841241.
It is a cyclic number.
It is not a de Polignac number, because 142148615 - 214 = 142132231 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32117 + ... + 36273.
It is an arithmetic number, because the mean of its divisors is an integer number (12199572).
Almost surely, 2142148615 is an apocalyptic number.
142148615 is a deficient number, since it is larger than the sum of its proper divisors (53044537).
142148615 is an equidigital number, since it uses as much as digits as its factorization.
142148615 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5146.
The product of its digits is 7680, while the sum is 32.
The square root of 142148615 is about 11922.6094039854. The cubic root of 142148615 is about 521.8922858247.
Adding to 142148615 its reverse (516841241), we get a palindrome (658989856).
The spelling of 142148615 in words is "one hundred forty-two million, one hundred forty-eight thousand, six hundred fifteen".
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