Base | Representation |
---|---|
bin | 1001001001101110101110… |
… | …01101111001001000000001 |
3 | 2122020222111222001111202122 |
4 | 10210313113031321020001 |
5 | 10114214042311300212 |
6 | 110445313023454025 |
7 | 4145010312621641 |
oct | 444672715711001 |
9 | 78228458044678 |
10 | 20125532525057 |
11 | 645a210491113 |
12 | 2310568157315 |
13 | b2caa275c16b |
14 | 4d811c286521 |
15 | 24d7a08d3272 |
hex | 124dd7379201 |
20125532525057 has 2 divisors, whose sum is σ = 20125532525058. Its totient is φ = 20125532525056.
The previous prime is 20125532524997. The next prime is 20125532525081. The reversal of 20125532525057 is 75052523552102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11511254694976 + 8614277830081 = 3392824^2 + 2935009^2 .
It is a cyclic number.
It is not a de Polignac number, because 20125532525057 - 210 = 20125532524033 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20125532524999 and 20125532525017.
It is not a weakly prime, because it can be changed into another prime (20125532522057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062766262528 + 10062766262529.
It is an arithmetic number, because the mean of its divisors is an integer number (10062766262529).
Almost surely, 220125532525057 is an apocalyptic number.
It is an amenable number.
20125532525057 is a deficient number, since it is larger than the sum of its proper divisors (1).
20125532525057 is an equidigital number, since it uses as much as digits as its factorization.
20125532525057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1050000, while the sum is 44.
The spelling of 20125532525057 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-two million, five hundred twenty-five thousand, fifty-seven".
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