Base | Representation |
---|---|
bin | 1110010001110110110… |
… | …0011101011101101011 |
3 | 212110012011112202020120 |
4 | 3210131230131131223 |
5 | 13004344200031110 |
6 | 304410001054323 |
7 | 23503020621243 |
oct | 3443554353553 |
9 | 773164482216 |
10 | 245311330155 |
11 | 9504393a1a1 |
12 | 3b6623273a3 |
13 | 1a195897238 |
14 | bc31c32b23 |
15 | 65ab3ad870 |
hex | 391db1d76b |
245311330155 has 16 divisors (see below), whose sum is σ = 392616110880. Its totient is φ = 130793381888.
The previous prime is 245311330109. The next prime is 245311330157. The reversal of 245311330155 is 551033113542.
It is a cyclic number.
It is not a de Polignac number, because 245311330155 - 212 = 245311326059 is a prime.
It is not an unprimeable number, because it can be changed into a prime (245311330157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406372 + ... + 2506241.
It is an arithmetic number, because the mean of its divisors is an integer number (24538506930).
Almost surely, 2245311330155 is an apocalyptic number.
245311330155 is a deficient number, since it is larger than the sum of its proper divisors (147304780725).
245311330155 is a wasteful number, since it uses less digits than its factorization.
245311330155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4915950.
The product of its (nonzero) digits is 27000, while the sum is 33.
Adding to 245311330155 its reverse (551033113542), we get a palindrome (796344443697).
The spelling of 245311330155 in words is "two hundred forty-five billion, three hundred eleven million, three hundred thirty thousand, one hundred fifty-five".
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