Base | Representation |
---|---|
bin | 10000111011100… |
… | …01101010010111 |
3 | 100220020112100221 |
4 | 20131301222113 |
5 | 242324221234 |
6 | 22032015211 |
7 | 3343115104 |
oct | 1035615227 |
9 | 326215327 |
10 | 142023319 |
11 | 73194249 |
12 | 3b691507 |
13 | 23568289 |
14 | 14c0daab |
15 | c705eb4 |
hex | 8771a97 |
142023319 has 2 divisors, whose sum is σ = 142023320. Its totient is φ = 142023318.
The previous prime is 142023293. The next prime is 142023337. The reversal of 142023319 is 913320241.
It is a strong prime.
It is an emirp because it is prime and its reverse (913320241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142023319 - 227 = 7805591 is a prime.
It is a super-2 number, since 2×1420233192 = 40341246279551522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142023293 and 142023302.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142023019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71011659 + 71011660.
It is an arithmetic number, because the mean of its divisors is an integer number (71011660).
Almost surely, 2142023319 is an apocalyptic number.
142023319 is a deficient number, since it is larger than the sum of its proper divisors (1).
142023319 is an equidigital number, since it uses as much as digits as its factorization.
142023319 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 142023319 is about 11917.3536911514. The cubic root of 142023319 is about 521.7389011948.
The spelling of 142023319 in words is "one hundred forty-two million, twenty-three thousand, three hundred nineteen".
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