Base | Representation |
---|---|
bin | 10111101111110010… |
… | …10101101101011001 |
3 | 1012220111101011020121 |
4 | 23313321111231121 |
5 | 202102212004243 |
6 | 5505021553241 |
7 | 630634120444 |
oct | 136771255531 |
9 | 35814334217 |
10 | 12748938073 |
11 | 5452496963 |
12 | 2579715821 |
13 | 1282379b51 |
14 | 88d29465b |
15 | 4e93ad1ed |
hex | 2f7e55b59 |
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".
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