Base | Representation |
---|---|
bin | 1001001011001001110… |
… | …01001100000011001001 |
3 | 1010010122121001201021112 |
4 | 10211210321030003021 |
5 | 20131040140411034 |
6 | 400451300420105 |
7 | 31526402026244 |
oct | 4454471140311 |
9 | 1103577051245 |
10 | 315225325769 |
11 | 111760529962 |
12 | 511143a7635 |
13 | 2395825b503 |
14 | 1138525c25b |
15 | 82ee1817ce |
hex | 4964e4c0c9 |
315225325769 has 2 divisors, whose sum is σ = 315225325770. Its totient is φ = 315225325768.
The previous prime is 315225325759. The next prime is 315225325801. The reversal of 315225325769 is 967523522513.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 223166484025 + 92058841744 = 472405^2 + 303412^2 .
It is an emirp because it is prime and its reverse (967523522513) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 315225325769 - 236 = 246505849033 is a prime.
It is a super-2 number, since 2×3152253257692 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (315225325759) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157612662884 + 157612662885.
It is an arithmetic number, because the mean of its divisors is an integer number (157612662885).
Almost surely, 2315225325769 is an apocalyptic number.
It is an amenable number.
315225325769 is a deficient number, since it is larger than the sum of its proper divisors (1).
315225325769 is an equidigital number, since it uses as much as digits as its factorization.
315225325769 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3402000, while the sum is 50.
The spelling of 315225325769 in words is "three hundred fifteen billion, two hundred twenty-five million, three hundred twenty-five thousand, seven hundred sixty-nine".
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