Base | Representation |
---|---|
bin | 1000010010100111011… |
… | …1001011001110110001 |
3 | 111121122121221020012212 |
4 | 2010221313023032301 |
5 | 4313202140004140 |
6 | 145233451101505 |
7 | 13201463103401 |
oct | 2045167131661 |
9 | 447577836185 |
10 | 142436250545 |
11 | 55452606246 |
12 | 23731741895 |
13 | 1057c530974 |
14 | 6c73006801 |
15 | 3a89a58765 |
hex | 2129dcb3b1 |
142436250545 has 8 divisors (see below), whose sum is σ = 170955800424. Its totient is φ = 113927467264.
The previous prime is 142436250521. The next prime is 142436250559. The reversal of 142436250545 is 545052634241.
142436250545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 26541623056 + 115894627489 = 162916^2 + 340433^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142436250545 - 222 = 142432056241 is a prime.
It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 2662514 + ... + 2715483.
It is an arithmetic number, because the mean of its divisors is an integer number (21369475053).
Almost surely, 2142436250545 is an apocalyptic number.
It is an amenable number.
142436250545 is a deficient number, since it is larger than the sum of its proper divisors (28519549879).
142436250545 is an equidigital number, since it uses as much as digits as its factorization.
142436250545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5383299.
The product of its (nonzero) digits is 576000, while the sum is 41.
Adding to 142436250545 its reverse (545052634241), we get a palindrome (687488884786).
The spelling of 142436250545 in words is "one hundred forty-two billion, four hundred thirty-six million, two hundred fifty thousand, five hundred forty-five".
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