Base | Representation |
---|---|
bin | 10111010101001110… |
… | …11011101011011101 |
3 | 1012022222010211220202 |
4 | 23222213123223131 |
5 | 201123142441000 |
6 | 5430542353245 |
7 | 622260301652 |
oct | 135247335335 |
9 | 35288124822 |
10 | 12526140125 |
11 | 5348752524 |
12 | 2516b8b825 |
13 | 124816ca45 |
14 | 86b859c29 |
15 | 4d4a4ddd5 |
hex | 2ea9dbadd |
12526140125 has 8 divisors (see below), whose sum is σ = 15632623032. Its totient is φ = 10020912000.
The previous prime is 12526140119. The next prime is 12526140163. The reversal of 12526140125 is 52104162521.
It can be written as a sum of positive squares in 4 ways, for example, as 2003278564 + 10522861561 = 44758^2 + 102581^2 .
It is not a de Polignac number, because 12526140125 - 218 = 12525877981 is a prime.
It is a super-2 number, since 2×125261401252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
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, 50104436 + ... + 50104685.
It is an arithmetic number, because the mean of its divisors is an integer number (1954077879).
Almost surely, 212526140125 is an apocalyptic number.
It is an amenable number.
12526140125 is a deficient number, since it is larger than the sum of its proper divisors (3106482907).
12526140125 is an equidigital number, since it uses as much as digits as its factorization.
12526140125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100209136 (or 100209126 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
The spelling of 12526140125 in words is "twelve billion, five hundred twenty-six million, one hundred forty thousand, one hundred twenty-five".
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