Base | Representation |
---|---|
bin | 1110111000101011001… |
… | …0000011100101011010 |
3 | 220110002100211120220211 |
4 | 3232022302003211122 |
5 | 13142214222320104 |
6 | 313251552241334 |
7 | 24322156305100 |
oct | 3561262034532 |
9 | 813070746824 |
10 | 255731448154 |
11 | 99500810066 |
12 | 4168bb4024a |
13 | 1b16661b030 |
14 | c53dab5c70 |
15 | 69bb0a5e04 |
hex | 3b8ac8395a |
255731448154 has 192 divisors, whose sum is σ = 526779015840. Its totient is φ = 91906375680.
The previous prime is 255731448121. The next prime is 255731448169. The reversal of 255731448154 is 451844137552.
255731448154 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 16 ways, for example, as 24729135025 + 231002313129 = 157255^2 + 480627^2 .
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a junction number, because it is equal to n+sod(n) for n = 255731448098 and 255731448107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86132382 + ... + 86135350.
Almost surely, 2255731448154 is an apocalyptic number.
255731448154 is an abundant number, since it is smaller than the sum of its proper divisors (271047567686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255731448154 is a wasteful number, since it uses less digits than its factorization.
255731448154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3153 (or 3146 counting only the distinct ones).
The product of its digits is 2688000, while the sum is 49.
The spelling of 255731448154 in words is "two hundred fifty-five billion, seven hundred thirty-one million, four hundred forty-eight thousand, one hundred fifty-four".
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