Base | Representation |
---|---|
bin | 1110110011100000011… |
… | …1010100111001000110 |
3 | 220022111201002002111111 |
4 | 3230320013110321012 |
5 | 13131344143441032 |
6 | 312502205355234 |
7 | 24242615464444 |
oct | 3547007247106 |
9 | 808451062444 |
10 | 254344515142 |
11 | 98959936833 |
12 | 41363568b1a |
13 | 1aca5196103 |
14 | c44b805b94 |
15 | 6939442c47 |
hex | 3b381d4e46 |
254344515142 has 16 divisors (see below), whose sum is σ = 383937704640. Its totient is φ = 126367783488.
The previous prime is 254344515137. The next prime is 254344515157. The reversal of 254344515142 is 241515443452.
254344515142 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 2×2543445151422 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 254344515095 and 254344515104.
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, 422167 + ... + 828802.
It is an arithmetic number, because the mean of its divisors is an integer number (23996106540).
Almost surely, 2254344515142 is an apocalyptic number.
254344515142 is a deficient number, since it is larger than the sum of its proper divisors (129593189498).
254344515142 is a wasteful number, since it uses less digits than its factorization.
254344515142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1251615.
The product of its digits is 384000, while the sum is 40.
Adding to 254344515142 its reverse (241515443452), we get a palindrome (495859958594).
The spelling of 254344515142 in words is "two hundred fifty-four billion, three hundred forty-four million, five hundred fifteen thousand, one hundred forty-two".
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