Base | Representation |
---|---|
bin | 1000010010001100100… |
… | …1101001000111100111 |
3 | 111121100210001120202002 |
4 | 2010203021221013213 |
5 | 4312434323313142 |
6 | 145214345435515 |
7 | 13165625034104 |
oct | 2044311510747 |
9 | 447323046662 |
10 | 142323651047 |
11 | 553a4a99606 |
12 | 236bba9bb9b |
13 | 105620c8346 |
14 | 6c62095aab |
15 | 3a7ec15a32 |
hex | 21232691e7 |
142323651047 has 2 divisors, whose sum is σ = 142323651048. Its totient is φ = 142323651046.
The previous prime is 142323651011. The next prime is 142323651049. The reversal of 142323651047 is 740156323241.
It is a strong prime.
It is an emirp because it is prime and its reverse (740156323241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142323651047 - 222 = 142319456743 is a prime.
Together with 142323651049, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142323651047.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142323651049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161825523 + 71161825524.
It is an arithmetic number, because the mean of its divisors is an integer number (71161825524).
Almost surely, 2142323651047 is an apocalyptic number.
142323651047 is a deficient number, since it is larger than the sum of its proper divisors (1).
142323651047 is an equidigital number, since it uses as much as digits as its factorization.
142323651047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 120960, while the sum is 38.
Adding to 142323651047 its reverse (740156323241), we get a palindrome (882479974288).
The spelling of 142323651047 in words is "one hundred forty-two billion, three hundred twenty-three million, six hundred fifty-one thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •