Base | Representation |
---|---|
bin | 1110110010101101101… |
… | …0000110000011111000 |
3 | 220021221211221020021101 |
4 | 3230223122012003320 |
5 | 13130430110100240 |
6 | 312425112221144 |
7 | 24234416450326 |
oct | 3545332060370 |
9 | 807854836241 |
10 | 254131331320 |
11 | 9885a569659 |
12 | 4130409a7b4 |
13 | 1ac6cc74039 |
14 | c42b390d16 |
15 | 692588239a |
hex | 3b2b6860f8 |
254131331320 has 32 divisors (see below), whose sum is σ = 587249431200. Its totient is φ = 98905166208.
The previous prime is 254131331317. The next prime is 254131331329. The reversal of 254131331320 is 23133131452.
254131331320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2541313313202 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254131331329) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 85853700 + ... + 85856659.
It is an arithmetic number, because the mean of its divisors is an integer number (18351544725).
Almost surely, 2254131331320 is an apocalyptic number.
254131331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
254131331320 is an abundant number, since it is smaller than the sum of its proper divisors (333118099880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254131331320 is a wasteful number, since it uses less digits than its factorization.
254131331320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171710407 (or 171710403 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
Adding to 254131331320 its reverse (23133131452), we get a palindrome (277264462772).
The spelling of 254131331320 in words is "two hundred fifty-four billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty".
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