Base | Representation |
---|---|
bin | 1001001011101110001… |
… | …11110010001111011001 |
3 | 1010011102220111210102111 |
4 | 10211313013302033121 |
5 | 20132201433021410 |
6 | 400541503232321 |
7 | 31540104312124 |
oct | 4456707621731 |
9 | 1104386453374 |
10 | 315531142105 |
11 | 1118a8116233 |
12 | 5119a8a86a1 |
13 | 239a671481a |
14 | 113b3b073bb |
15 | 831ae3db8a |
hex | 49771f23d9 |
315531142105 has 8 divisors (see below), whose sum is σ = 379636416000. Its totient is φ = 251758883376.
The previous prime is 315531142099. The next prime is 315531142139. The reversal of 315531142105 is 501241135513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 315531142105 - 219 = 315530617817 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83251705 + ... + 83255494.
It is an arithmetic number, because the mean of its divisors is an integer number (47454552000).
Almost surely, 2315531142105 is an apocalyptic number.
It is an amenable number.
315531142105 is a deficient number, since it is larger than the sum of its proper divisors (64105273895).
315531142105 is a wasteful number, since it uses less digits than its factorization.
315531142105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166507583.
The product of its (nonzero) digits is 9000, while the sum is 31.
Adding to 315531142105 its reverse (501241135513), we get a palindrome (816772277618).
The spelling of 315531142105 in words is "three hundred fifteen billion, five hundred thirty-one million, one hundred forty-two thousand, one hundred five".
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