Base | Representation |
---|---|
bin | 111011011001000000… |
… | …0011100100101111111 |
3 | 110012012111222100221022 |
4 | 1312302000130211333 |
5 | 4042200332410101 |
6 | 134331415454355 |
7 | 12133400321522 |
oct | 1666200344577 |
9 | 405174870838 |
10 | 127540513151 |
11 | 4a0a9327277 |
12 | 208750873bb |
13 | c04748b67c |
14 | 625c9a2bb9 |
15 | 34b6e8ba1b |
hex | 1db201c97f |
127540513151 has 2 divisors, whose sum is σ = 127540513152. Its totient is φ = 127540513150.
The previous prime is 127540513043. The next prime is 127540513207. The reversal of 127540513151 is 151315045721.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-127540513151 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (127540518151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63770256575 + 63770256576.
It is an arithmetic number, because the mean of its divisors is an integer number (63770256576).
Almost surely, 2127540513151 is an apocalyptic number.
127540513151 is a deficient number, since it is larger than the sum of its proper divisors (1).
127540513151 is an equidigital number, since it uses as much as digits as its factorization.
127540513151 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21000, while the sum is 35.
Adding to 127540513151 its reverse (151315045721), we get a palindrome (278855558872).
The spelling of 127540513151 in words is "one hundred twenty-seven billion, five hundred forty million, five hundred thirteen thousand, one hundred fifty-one".
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