Base | Representation |
---|---|
bin | 1001001011001000100… |
… | …00000011110111000001 |
3 | 1010010121211202221220122 |
4 | 10211210100003313001 |
5 | 20131024410404241 |
6 | 400450233350025 |
7 | 31526211263405 |
oct | 4454420036701 |
9 | 1103554687818 |
10 | 315214544321 |
11 | 111755435676 |
12 | 51110868315 |
13 | 23955c55061 |
14 | 11383a53105 |
15 | 82ed25204b |
hex | 4964403dc1 |
315214544321 has 2 divisors, whose sum is σ = 315214544322. Its totient is φ = 315214544320.
The previous prime is 315214544191. The next prime is 315214544327. The reversal of 315214544321 is 123445412513.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 235769484721 + 79445059600 = 485561^2 + 281860^2 .
It is a cyclic number.
It is not a de Polignac number, because 315214544321 - 238 = 40336637377 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (315214544327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157607272160 + 157607272161.
It is an arithmetic number, because the mean of its divisors is an integer number (157607272161).
Almost surely, 2315214544321 is an apocalyptic number.
It is an amenable number.
315214544321 is a deficient number, since it is larger than the sum of its proper divisors (1).
315214544321 is an equidigital number, since it uses as much as digits as its factorization.
315214544321 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 57600, while the sum is 35.
Adding to 315214544321 its reverse (123445412513), we get a palindrome (438659956834).
The spelling of 315214544321 in words is "three hundred fifteen billion, two hundred fourteen million, five hundred forty-four thousand, three hundred twenty-one".
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