Base | Representation |
---|---|
bin | 101011010011110010100110… |
… | …0011010001100111011111001 |
3 | 1211221211122200121120211212011 |
4 | 1112213211030122030323321 |
5 | 344413004142011043312 |
6 | 3430114533035045521 |
7 | 143145605411661106 |
oct | 12647451432147371 |
9 | 1757748617524764 |
10 | 380951996190457 |
11 | 10042391a4a698a |
12 | 368870708a08a1 |
13 | 13474808205223 |
14 | 6a10264289aad |
15 | 2e09680527da7 |
hex | 15a794c68cef9 |
380951996190457 has 2 divisors, whose sum is σ = 380951996190458. Its totient is φ = 380951996190456.
The previous prime is 380951996190421. The next prime is 380951996190509. The reversal of 380951996190457 is 754091699159083.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 371637389854201 + 9314606336256 = 19277899^2 + 3051984^2 .
It is a cyclic number.
It is not a de Polignac number, because 380951996190457 - 227 = 380951861972729 is a prime.
It is not a weakly prime, because it can be changed into another prime (380951996100457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190475998095228 + 190475998095229.
It is an arithmetic number, because the mean of its divisors is an integer number (190475998095229).
Almost surely, 2380951996190457 is an apocalyptic number.
It is an amenable number.
380951996190457 is a deficient number, since it is larger than the sum of its proper divisors (1).
380951996190457 is an equidigital number, since it uses as much as digits as its factorization.
380951996190457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 661348800, while the sum is 76.
The spelling of 380951996190457 in words is "three hundred eighty trillion, nine hundred fifty-one billion, nine hundred ninety-six million, one hundred ninety thousand, four hundred fifty-seven".
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