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123786000073 is a prime number
BaseRepresentation
bin111001101001000111…
…0000111011011001001
3102211111212012100020101
41303102032013123021
54012003204000243
6132511055325401
711641350432331
oct1632216073311
9384455170211
10123786000073
1148551a73aaa
121bba7820861
13b89968c3b8
145dc40b20c1
15334755854d
hex1cd23876c9

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.