Base | Representation |
---|---|
bin | 111001101001000111… |
… | …0000111011011001001 |
3 | 102211111212012100020101 |
4 | 1303102032013123021 |
5 | 4012003204000243 |
6 | 132511055325401 |
7 | 11641350432331 |
oct | 1632216073311 |
9 | 384455170211 |
10 | 123786000073 |
11 | 48551a73aaa |
12 | 1bba7820861 |
13 | b89968c3b8 |
14 | 5dc40b20c1 |
15 | 334755854d |
hex | 1cd23876c9 |
123786000073 has 2 divisors, whose sum is σ = 123786000074. Its totient is φ = 123786000072.
The previous prime is 123786000059. The next prime is 123786000109. The reversal of 123786000073 is 370000687321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 92481067449 + 31304932624 = 304107^2 + 176932^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123786000073 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 123785999996 and 123786000041.
It is not a weakly prime, because it can be changed into another prime (123786004073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61893000036 + 61893000037.
It is an arithmetic number, because the mean of its divisors is an integer number (61893000037).
Almost surely, 2123786000073 is an apocalyptic number.
It is an amenable number.
123786000073 is a deficient number, since it is larger than the sum of its proper divisors (1).
123786000073 is an equidigital number, since it uses as much as digits as its factorization.
123786000073 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42336, while the sum is 37.
Adding to 123786000073 its reverse (370000687321), we get a palindrome (493786687394).
The spelling of 123786000073 in words is "one hundred twenty-three billion, seven hundred eighty-six million, seventy-three", and thus it is an aban number.
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