Base | Representation |
---|---|
bin | 111010000011111010010001… |
… | …010010000000000010000110 |
3 | 1020111010201222111001012002100 |
4 | 322003322101102000002012 |
5 | 231432220401244001210 |
6 | 2303032354544252530 |
7 | 104533551300521451 |
oct | 7203722122000206 |
9 | 1214121874035070 |
10 | 255355423031430 |
11 | 74400699220aa7 |
12 | 24781712611146 |
13 | ac63bb4019a67 |
14 | 470b3a8786498 |
15 | 1e7c5a95dd5c0 |
hex | e83e91480086 |
255355423031430 has 48 divisors (see below), whose sum is σ = 665151316459344. Its totient is φ = 67968911108160.
The previous prime is 255355423031399. The next prime is 255355423031447. The reversal of 255355423031430 is 34130324553552.
255355423031430 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 5 + 542 + 30 + 31 + 43 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2622208684 + ... + 2622306063.
It is an arithmetic number, because the mean of its divisors is an integer number (13857319092903).
Almost surely, 2255355423031430 is an apocalyptic number.
255355423031430 is an abundant number, since it is smaller than the sum of its proper divisors (409795893427914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255355423031430 is a wasteful number, since it uses less digits than its factorization.
255355423031430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5244515301 (or 5244515298 counting only the distinct ones).
The product of its (nonzero) digits is 3240000, while the sum is 45.
Adding to 255355423031430 its reverse (34130324553552), we get a palindrome (289485747584982).
The spelling of 255355423031430 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred twenty-three million, thirty-one thousand, four hundred thirty".
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