Base | Representation |
---|---|
bin | 10011100100010100… |
… | …01011110111010111 |
3 | 1000010010101211012012 |
4 | 21302022023313113 |
5 | 133003313113010 |
6 | 4454231014435 |
7 | 521220534254 |
oct | 116212136727 |
9 | 30103354165 |
10 | 10505207255 |
11 | 4500a08774 |
12 | 205220a41b |
13 | cb557678a |
14 | 7192b242b |
15 | 417404005 |
hex | 27228bdd7 |
10505207255 has 16 divisors (see below), whose sum is σ = 13274198400. Its totient is φ = 7959163680.
The previous prime is 10505207233. The next prime is 10505207257. The reversal of 10505207255 is 55270250501.
It is not a de Polignac number, because 10505207255 - 26 = 10505207191 is a prime.
It is a super-2 number, since 2×105052072552 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10505207257) 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 15 ways as a sum of consecutive naturals, for example, 292640 + ... + 326570.
It is an arithmetic number, because the mean of its divisors is an integer number (829637400).
Almost surely, 210505207255 is an apocalyptic number.
10505207255 is a deficient number, since it is larger than the sum of its proper divisors (2768991145).
10505207255 is a wasteful number, since it uses less digits than its factorization.
10505207255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37214.
The product of its (nonzero) digits is 17500, while the sum is 32.
Adding to 10505207255 its reverse (55270250501), we get a palindrome (65775457756).
The spelling of 10505207255 in words is "ten billion, five hundred five million, two hundred seven thousand, two hundred fifty-five".
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