Base | Representation |
---|---|
bin | 1110110010110000010… |
… | …0100001100110111101 |
3 | 220021222121212100000002 |
4 | 3230230010201212331 |
5 | 13130440432013310 |
6 | 312430150444045 |
7 | 24234613134503 |
oct | 3545404414675 |
9 | 807877770002 |
10 | 254142454205 |
11 | 98865876422 |
12 | 41307963625 |
13 | 1ac72369a23 |
14 | c42ca48673 |
15 | 692682cda5 |
hex | 3b2c1219bd |
254142454205 has 8 divisors (see below), whose sum is σ = 306236386104. Its totient is φ = 202470336000.
The previous prime is 254142454169. The next prime is 254142454271. The reversal of 254142454205 is 502454241452.
254142454205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 92392897444 + 161749556761 = 303962^2 + 402181^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 254142454205 - 28 = 254142453949 is a prime.
It is a Duffinian number.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 105452096 + ... + 105454505.
It is an arithmetic number, because the mean of its divisors is an integer number (38279548263).
Almost surely, 2254142454205 is an apocalyptic number.
It is an amenable number.
254142454205 is a deficient number, since it is larger than the sum of its proper divisors (52093931899).
254142454205 is a wasteful number, since it uses less digits than its factorization.
254142454205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210906847.
The product of its (nonzero) digits is 256000, while the sum is 38.
Adding to 254142454205 its reverse (502454241452), we get a palindrome (756596695657).
The spelling of 254142454205 in words is "two hundred fifty-four billion, one hundred forty-two million, four hundred fifty-four thousand, two hundred five".
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