Base | Representation |
---|---|
bin | 1000010010101011110… |
… | …0001111111001110111 |
3 | 111121200220000011110101 |
4 | 2010222330033321313 |
5 | 4313221303420443 |
6 | 145235335134531 |
7 | 13202103026614 |
oct | 2045274177167 |
9 | 447626004411 |
10 | 142454357623 |
11 | 55461853376 |
12 | 23737814447 |
13 | 10583200606 |
14 | 6c7559b50b |
15 | 3a8b43384d |
hex | 212af0fe77 |
142454357623 has 2 divisors, whose sum is σ = 142454357624. Its totient is φ = 142454357622.
The previous prime is 142454357621. The next prime is 142454357627. The reversal of 142454357623 is 326753454241.
It is a weak prime.
It is an emirp because it is prime and its reverse (326753454241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142454357623 - 21 = 142454357621 is a prime.
Together with 142454357621, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142454357621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71227178811 + 71227178812.
It is an arithmetic number, because the mean of its divisors is an integer number (71227178812).
Almost surely, 2142454357623 is an apocalyptic number.
142454357623 is a deficient number, since it is larger than the sum of its proper divisors (1).
142454357623 is an equidigital number, since it uses as much as digits as its factorization.
142454357623 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2419200, while the sum is 46.
The spelling of 142454357623 in words is "one hundred forty-two billion, four hundred fifty-four million, three hundred fifty-seven thousand, six hundred twenty-three".
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