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12520247093 is a prime number
BaseRepresentation
bin10111010100100001…
…11100111100110101
31012022120001110012022
423222100330330311
5201120140401333
65430212202525
7622156226054
oct135220747465
935276043168
1012520247093
115345397a52
122515009445
131246b88643
1486ab6439b
154d4287c98
hex2ea43cf35

12520247093 has 2 divisors, whose sum is σ = 12520247094. Its totient is φ = 12520247092.

The previous prime is 12520247027. The next prime is 12520247107. The reversal of 12520247093 is 39074202521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6740902609 + 5779344484 = 82103^2 + 76022^2 .

It is a cyclic number.

It is not a de Polignac number, because 12520247093 - 210 = 12520246069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12520246093) 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, 6260123546 + 6260123547.

It is an arithmetic number, because the mean of its divisors is an integer number (6260123547).

Almost surely, 212520247093 is an apocalyptic number.

It is an amenable number.

12520247093 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520247093 is an equidigital number, since it uses as much as digits as its factorization.

12520247093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12520247093 in words is "twelve billion, five hundred twenty million, two hundred forty-seven thousand, ninety-three".