Base | Representation |
---|---|
bin | 1000010001000100111… |
… | …1010000000001101011 |
3 | 111120120211120121001222 |
4 | 2010101033100001223 |
5 | 4311330410144433 |
6 | 145124452332255 |
7 | 13155315461060 |
oct | 2042117200153 |
9 | 446524517058 |
10 | 142023131243 |
11 | 5526039a634 |
12 | 2363731408b |
13 | 10514a77a86 |
14 | 6c341c8c67 |
15 | 3a63652b98 |
hex | 21113d006b |
142023131243 has 16 divisors (see below), whose sum is σ = 162813742080. Its totient is φ = 121358212416.
The previous prime is 142023131221. The next prime is 142023131267. The reversal of 142023131243 is 342131320241.
It is not a de Polignac number, because 142023131243 - 28 = 142023130987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142023131543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6550046 + ... + 6571692.
It is an arithmetic number, because the mean of its divisors is an integer number (10175858880).
Almost surely, 2142023131243 is an apocalyptic number.
142023131243 is a deficient number, since it is larger than the sum of its proper divisors (20790610837).
142023131243 is a wasteful number, since it uses less digits than its factorization.
142023131243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24506.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 142023131243 its reverse (342131320241), we get a palindrome (484154451484).
The spelling of 142023131243 in words is "one hundred forty-two billion, twenty-three million, one hundred thirty-one thousand, two hundred forty-three".
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