Base | Representation |
---|---|
bin | 111101111111111100… |
… | …1010001100100100111 |
3 | 110201122220120201102202 |
4 | 1323333321101210213 |
5 | 4140133402120033 |
6 | 141055323525115 |
7 | 12422250136526 |
oct | 1737771214447 |
9 | 421586521382 |
10 | 133142223143 |
11 | 5151334a966 |
12 | 2197908979b |
13 | c72ab94277 |
14 | 66309344bd |
15 | 36e3b4c8e8 |
hex | 1effe51927 |
133142223143 has 4 divisors (see below), whose sum is σ = 140974118640. Its totient is φ = 125310327648.
The previous prime is 133142223103. The next prime is 133142223157. The reversal of 133142223143 is 341322241331.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341322241331 = 13367 ⋅25534693.
It is not a de Polignac number, because 133142223143 - 28 = 133142222887 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133142223103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3915947723 + ... + 3915947756.
It is an arithmetic number, because the mean of its divisors is an integer number (35243529660).
Almost surely, 2133142223143 is an apocalyptic number.
133142223143 is a deficient number, since it is larger than the sum of its proper divisors (7831895497).
133142223143 is an equidigital number, since it uses as much as digits as its factorization.
133142223143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7831895496.
The product of its digits is 10368, while the sum is 29.
Adding to 133142223143 its reverse (341322241331), we get a palindrome (474464464474).
The spelling of 133142223143 in words is "one hundred thirty-three billion, one hundred forty-two million, two hundred twenty-three thousand, one hundred forty-three".
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