Base | Representation |
---|---|
bin | 10001000001000… |
… | …00001000111111 |
3 | 100221120211200222 |
4 | 20200200020333 |
5 | 243020103413 |
6 | 22055211555 |
7 | 3352152503 |
oct | 1040401077 |
9 | 327524628 |
10 | 142737983 |
11 | 73632183 |
12 | 3b976bbb |
13 | 2375865b |
14 | 14d58303 |
15 | c7e7b08 |
hex | 882023f |
142737983 has 2 divisors, whose sum is σ = 142737984. Its totient is φ = 142737982.
The previous prime is 142737961. The next prime is 142737997. The reversal of 142737983 is 389737241.
It is a strong prime.
It is an emirp because it is prime and its reverse (389737241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142737983 - 222 = 138543679 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142737923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71368991 + 71368992.
It is an arithmetic number, because the mean of its divisors is an integer number (71368992).
Almost surely, 2142737983 is an apocalyptic number.
142737983 is a deficient number, since it is larger than the sum of its proper divisors (1).
142737983 is an equidigital number, since it uses as much as digits as its factorization.
142737983 is an evil number, because the sum of its binary digits is even.
The product of its digits is 254016, while the sum is 44.
The square root of 142737983 is about 11947.3002389661. The cubic root of 142737983 is about 522.6125706951.
The spelling of 142737983 in words is "one hundred forty-two million, seven hundred thirty-seven thousand, nine hundred eighty-three".
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