Base | Representation |
---|---|
bin | 1001011010001011001001… |
… | …10010000000010110000001 |
3 | 2201020222220212220112200001 |
4 | 10231011210302000112001 |
5 | 10202443220330420131 |
6 | 112001035012400001 |
7 | 4233562034464162 |
oct | 455054462002601 |
9 | 81228825815601 |
10 | 20690548295041 |
11 | 66578a3124919 |
12 | 23a1b72916001 |
13 | b71158527941 |
14 | 5175dc167769 |
15 | 25d31e288261 |
hex | 12d164c80581 |
20690548295041 has 2 divisors, whose sum is σ = 20690548295042. Its totient is φ = 20690548295040.
The previous prime is 20690548295029. The next prime is 20690548295051. The reversal of 20690548295041 is 14059284509602.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20511877232016 + 178671063025 = 4529004^2 + 422695^2 .
It is a cyclic number.
It is not a de Polignac number, because 20690548295041 - 215 = 20690548262273 is a prime.
It is not a weakly prime, because it can be changed into another prime (20690548295051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10345274147520 + 10345274147521.
It is an arithmetic number, because the mean of its divisors is an integer number (10345274147521).
Almost surely, 220690548295041 is an apocalyptic number.
It is an amenable number.
20690548295041 is a deficient number, since it is larger than the sum of its proper divisors (1).
20690548295041 is an equidigital number, since it uses as much as digits as its factorization.
20690548295041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6220800, while the sum is 55.
The spelling of 20690548295041 in words is "twenty trillion, six hundred ninety billion, five hundred forty-eight million, two hundred ninety-five thousand, forty-one".
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