Base | Representation |
---|---|
bin | 111001111111001011011001… |
… | …110000000000011001111011 |
3 | 1020102222122120121200201002200 |
4 | 321333023121300000121323 |
5 | 231411403343130423311 |
6 | 2302223133303401243 |
7 | 104501216426003631 |
oct | 7177133160003173 |
9 | 1212878517621080 |
10 | 255030221342331 |
11 | 74295789361776 |
12 | 2472a695153223 |
13 | ac3c328c588a6 |
14 | 46d9758599351 |
15 | 1e73dc46bc556 |
hex | e7f2d9c0067b |
255030221342331 has 12 divisors (see below), whose sum is σ = 368386374447000. Its totient is φ = 170015814609120.
The previous prime is 255030221342327. The next prime is 255030221342339. The reversal of 255030221342331 is 133243122030552.
255030221342331 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 3 + 0 + 221 + 3 + 423 + 3 + 1 = 666.
It is not a de Polignac number, because 255030221342331 - 22 = 255030221342327 is a prime.
It is a super-2 number, since 2×2550302213423312 (a number of 30 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (255030221342339) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360706581 + ... + 361412918.
It is an arithmetic number, because the mean of its divisors is an integer number (30698864537250).
Almost surely, 2255030221342331 is an apocalyptic number.
255030221342331 is a deficient number, since it is larger than the sum of its proper divisors (113356153104669).
255030221342331 is a wasteful number, since it uses less digits than its factorization.
255030221342331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722158746 (or 722158743 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 36.
Adding to 255030221342331 its reverse (133243122030552), we get a palindrome (388273343372883).
The spelling of 255030221342331 in words is "two hundred fifty-five trillion, thirty billion, two hundred twenty-one million, three hundred forty-two thousand, three hundred thirty-one".
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