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12748938073 is a prime number
BaseRepresentation
bin10111101111110010…
…10101101101011001
31012220111101011020121
423313321111231121
5202102212004243
65505021553241
7630634120444
oct136771255531
935814334217
1012748938073
115452496963
122579715821
131282379b51
1488d29465b
154e93ad1ed
hex2f7e55b59

12748938073 has 2 divisors, whose sum is σ = 12748938074. Its totient is φ = 12748938072.

The previous prime is 12748938071. The next prime is 12748938127. The reversal of 12748938073 is 37083984721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7554564889 + 5194373184 = 86917^2 + 72072^2 .

It is a cyclic number.

It is not a de Polignac number, because 12748938073 - 21 = 12748938071 is a prime.

Together with 12748938071, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12748938073.

It is not a weakly prime, because it can be changed into another prime (12748938071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374469036 + 6374469037.

It is an arithmetic number, because the mean of its divisors is an integer number (6374469037).

Almost surely, 212748938073 is an apocalyptic number.

It is an amenable number.

12748938073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12748938073 is an equidigital number, since it uses as much as digits as its factorization.

12748938073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 12748938073 in words is "twelve billion, seven hundred forty-eight million, nine hundred thirty-eight thousand, seventy-three".