Base | Representation |
---|---|
bin | 1000011110111110011… |
… | …0000111100011001101 |
3 | 111221012211020111011012 |
4 | 2013233212013203031 |
5 | 4342000414332124 |
6 | 150542554535005 |
7 | 13346624506652 |
oct | 2075746074315 |
9 | 457184214135 |
10 | 145753667789 |
11 | 568a5166994 |
12 | 242b8737465 |
13 | 1098a900952 |
14 | 70a9837c29 |
15 | 3bd0debe0e |
hex | 21ef9878cd |
145753667789 has 6 divisors (see below), whose sum is σ = 150607068750. Its totient is φ = 141051935640.
The previous prime is 145753667779. The next prime is 145753667809. The reversal of 145753667789 is 987766357541.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 90756382564 + 54997285225 = 301258^2 + 234515^2 .
It is a de Polignac number, because none of the positive numbers 2k-145753667789 is a prime.
It is a super-2 number, since 2×1457536677892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145753667779) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75833414 + ... + 75835335.
It is an arithmetic number, because the mean of its divisors is an integer number (25101178125).
Almost surely, 2145753667789 is an apocalyptic number.
It is an amenable number.
145753667789 is a deficient number, since it is larger than the sum of its proper divisors (4853400961).
145753667789 is an equidigital number, since it uses as much as digits as its factorization.
145753667789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151668811 (or 151668780 counting only the distinct ones).
The product of its digits is 266716800, while the sum is 68.
The spelling of 145753667789 in words is "one hundred forty-five billion, seven hundred fifty-three million, six hundred sixty-seven thousand, seven hundred eighty-nine".
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