Base | Representation |
---|---|
bin | 110001001000011101… |
… | …0110110010011101001 |
3 | 101002100012201211211121 |
4 | 1202100322312103221 |
5 | 3212041200423001 |
6 | 120245413255241 |
7 | 10423435654006 |
oct | 1422072662351 |
9 | 332305654747 |
10 | 105510561001 |
11 | 40823a6314a |
12 | 18547334521 |
13 | 9c46380421 |
14 | 516cc668ad |
15 | 2b27de36a1 |
hex | 1890eb64e9 |
105510561001 has 2 divisors, whose sum is σ = 105510561002. Its totient is φ = 105510561000.
The previous prime is 105510560941. The next prime is 105510561019. The reversal of 105510561001 is 100165015501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 105387883225 + 122677776 = 324635^2 + 11076^2 .
It is an emirp because it is prime and its reverse (100165015501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 105510561001 - 211 = 105510558953 is a prime.
It is a super-2 number, since 2×1055105610012 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (105510561901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755280500 + 52755280501.
It is an arithmetic number, because the mean of its divisors is an integer number (52755280501).
Almost surely, 2105510561001 is an apocalyptic number.
It is an amenable number.
105510561001 is a deficient number, since it is larger than the sum of its proper divisors (1).
105510561001 is an equidigital number, since it uses as much as digits as its factorization.
105510561001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 750, while the sum is 25.
Adding to 105510561001 its reverse (100165015501), we get a palindrome (205675576502).
The spelling of 105510561001 in words is "one hundred five billion, five hundred ten million, five hundred sixty-one thousand, one".
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