Base | Representation |
---|---|
bin | 1111000111110… |
… | …11010100100010 |
3 | 22211201002012002 |
4 | 13203323110202 |
5 | 224433433110 |
6 | 20331004002 |
7 | 3100164641 |
oct | 743732442 |
9 | 284632162 |
10 | 126858530 |
11 | 65676767 |
12 | 36599602 |
13 | 20388926 |
14 | 12bc3358 |
15 | b20caa5 |
hex | 78fb522 |
126858530 has 16 divisors (see below), whose sum is σ = 228473784. Its totient is φ = 50714880.
The previous prime is 126858509. The next prime is 126858559. The reversal of 126858530 is 35858621.
126858530 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.
It can be written as a sum of positive squares in 4 ways, for example, as 124032769 + 2825761 = 11137^2 + 1681^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31850 + ... + 35610.
Almost surely, 2126858530 is an apocalyptic number.
126858530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
126858530 is a deficient number, since it is larger than the sum of its proper divisors (101615254).
126858530 is a wasteful number, since it uses less digits than its factorization.
126858530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7141.
The product of its (nonzero) digits is 57600, while the sum is 38.
The square root of 126858530 is about 11263.1492043744. The cubic root of 126858530 is about 502.4658590865.
Subtracting from 126858530 its reverse (35858621), we obtain a palindrome (90999909).
The spelling of 126858530 in words is "one hundred twenty-six million, eight hundred fifty-eight thousand, five hundred thirty".
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