Base | Representation |
---|---|
bin | 1000011101000011001… |
… | …0000010111000100101 |
3 | 111212212210110211122022 |
4 | 2013100302002320211 |
5 | 4334421043410314 |
6 | 150415410312525 |
7 | 13331046405212 |
oct | 2072062027045 |
9 | 455783424568 |
10 | 145236700709 |
11 | 5665a370971 |
12 | 24193588745 |
13 | 10907787a79 |
14 | 705ad06b09 |
15 | 3ba083178e |
hex | 21d0c82e25 |
145236700709 has 2 divisors, whose sum is σ = 145236700710. Its totient is φ = 145236700708.
The previous prime is 145236700667. The next prime is 145236700747. The reversal of 145236700709 is 907007632541.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 140140168609 + 5096532100 = 374353^2 + 71390^2 .
It is a cyclic number.
It is not a de Polignac number, because 145236700709 - 224 = 145219923493 is a prime.
It is a super-2 number, since 2×1452367007092 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 145236700709.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145236700409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72618350354 + 72618350355.
It is an arithmetic number, because the mean of its divisors is an integer number (72618350355).
Almost surely, 2145236700709 is an apocalyptic number.
It is an amenable number.
145236700709 is a deficient number, since it is larger than the sum of its proper divisors (1).
145236700709 is an equidigital number, since it uses as much as digits as its factorization.
145236700709 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 317520, while the sum is 44.
The spelling of 145236700709 in words is "one hundred forty-five billion, two hundred thirty-six million, seven hundred thousand, seven hundred nine".
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