Base | Representation |
---|---|
bin | 10111010101000111… |
… | …11101110010000010 |
3 | 1012022220102200011010 |
4 | 23222203331302002 |
5 | 201122424344414 |
6 | 5430511101350 |
7 | 622246465065 |
oct | 135243756202 |
9 | 35286380133 |
10 | 12525231234 |
11 | 534819167a |
12 | 2516811856 |
13 | 1247c12139 |
14 | 86b6a08dc |
15 | 4d491e959 |
hex | 2ea8fdc82 |
12525231234 has 16 divisors (see below), whose sum is σ = 25051685472. Its totient is φ = 4174873248.
The previous prime is 12525231217. The next prime is 12525231247. The reversal of 12525231234 is 43213252521.
It is a super-3 number, since 3×125252312343 (a number of 31 digits) contains 333 as substring.
It is a Curzon 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, 133597 + ... + 207119.
It is an arithmetic number, because the mean of its divisors is an integer number (1565730342).
Almost surely, 212525231234 is an apocalyptic number.
12525231234 is an abundant number, since it is smaller than the sum of its proper divisors (12526454238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12525231234 is a wasteful number, since it uses less digits than its factorization.
12525231234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101921.
The product of its digits is 14400, while the sum is 30.
Adding to 12525231234 its reverse (43213252521), we get a palindrome (55738483755).
The spelling of 12525231234 in words is "twelve billion, five hundred twenty-five million, two hundred thirty-one thousand, two hundred thirty-four".
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