Base | Representation |
---|---|
bin | 110101101101100101010100… |
… | …0000100000110000111000001 |
3 | 2021221211112012021001010121111 |
4 | 1223123022220010012013001 |
5 | 443411222044401443411 |
6 | 4352500042250323321 |
7 | 201341644010036116 |
oct | 15333125004060701 |
9 | 2257745167033544 |
10 | 472457812140481 |
11 | 1275a32620047a2 |
12 | 44ba55a5429541 |
13 | 173817715138ab |
14 | 8495119bb890d |
15 | 3994aa2b2d721 |
hex | 1adb2a81061c1 |
472457812140481 has 2 divisors, whose sum is σ = 472457812140482. Its totient is φ = 472457812140480.
The previous prime is 472457812140401. The next prime is 472457812140499. The reversal of 472457812140481 is 184041218754274.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 459588229884081 + 12869582256400 = 21438009^2 + 3587420^2 .
It is a cyclic number.
It is not a de Polignac number, because 472457812140481 - 215 = 472457812107713 is a prime.
It is a super-2 number, since 2×4724578121404812 (a number of 30 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (472457812140401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236228906070240 + 236228906070241.
It is an arithmetic number, because the mean of its divisors is an integer number (236228906070241).
Almost surely, 2472457812140481 is an apocalyptic number.
It is an amenable number.
472457812140481 is a deficient number, since it is larger than the sum of its proper divisors (1).
472457812140481 is an equidigital number, since it uses as much as digits as its factorization.
472457812140481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16056320, while the sum is 58.
The spelling of 472457812140481 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, eight hundred twelve million, one hundred forty thousand, four hundred eighty-one".
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