Base | Representation |
---|---|
bin | 111110101111110… |
… | …0011000011100110 |
3 | 12102201201112002121 |
4 | 1331133203003212 |
5 | 13302442001204 |
6 | 544530300154 |
7 | 103113535501 |
oct | 17537430346 |
9 | 5381645077 |
10 | 2105422054 |
11 | 99050182a |
12 | 4a912765a |
13 | 277268a88 |
14 | 15d89c138 |
15 | c4c88b54 |
hex | 7d7e30e6 |
2105422054 has 16 divisors (see below), whose sum is σ = 3234421008. Its totient is φ = 1027579392.
The previous prime is 2105422051. The next prime is 2105422057. The reversal of 2105422054 is 4502245012.
It is an interprime number because it is at equal distance from previous prime (2105422051) and next prime (2105422057).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105422051) 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, 60172 + ... + 88495.
It is an arithmetic number, because the mean of its divisors is an integer number (202151313).
Almost surely, 22105422054 is an apocalyptic number.
2105422054 is a deficient number, since it is larger than the sum of its proper divisors (1128998954).
2105422054 is a wasteful number, since it uses less digits than its factorization.
2105422054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148839.
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 2105422054 is about 45884.8782716049. The cubic root of 2105422054 is about 1281.6803399359.
Adding to 2105422054 its reverse (4502245012), we get a palindrome (6607667066).
The spelling of 2105422054 in words is "two billion, one hundred five million, four hundred twenty-two thousand, fifty-four".
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