Base | Representation |
---|---|
bin | 110111101110000000011100… |
… | …011001101010101111101001 |
3 | 1012010122221112200211002122212 |
4 | 313232000130121222233221 |
5 | 224104431324404000210 |
6 | 2225104151411254505 |
7 | 102421401541145534 |
oct | 6756003431525751 |
9 | 1163587480732585 |
10 | 245054130531305 |
11 | 71099967156267 |
12 | 235991705aa435 |
13 | a697675352584 |
14 | 447297c9c7a1b |
15 | 1d4e6487cd805 |
hex | dee01c66abe9 |
245054130531305 has 8 divisors (see below), whose sum is σ = 294065128256712. Its totient is φ = 196043190012288.
The previous prime is 245054130531293. The next prime is 245054130531307. The reversal of 245054130531305 is 503135031450542.
It can be written as a sum of positive squares in 4 ways, for example, as 16968896126224 + 228085234405081 = 4119332^2 + 15102491^2 .
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 245054130531305 - 228 = 245053862095849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (245054130531307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233092 + ... + 22539461.
It is an arithmetic number, because the mean of its divisors is an integer number (36758141032089).
Almost surely, 2245054130531305 is an apocalyptic number.
It is an amenable number.
245054130531305 is a deficient number, since it is larger than the sum of its proper divisors (49010997725407).
245054130531305 is a wasteful number, since it uses less digits than its factorization.
245054130531305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28603195.
The product of its (nonzero) digits is 540000, while the sum is 41.
Adding to 245054130531305 its reverse (503135031450542), we get a palindrome (748189161981847).
The spelling of 245054130531305 in words is "two hundred forty-five trillion, fifty-four billion, one hundred thirty million, five hundred thirty-one thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •