Base | Representation |
---|---|
bin | 101111101101… |
… | …000001000000 |
3 | 212112022211210 |
4 | 233231001000 |
5 | 11200131102 |
6 | 1124010120 |
7 | 211202112 |
oct | 57550100 |
9 | 25468753 |
10 | 12505152 |
11 | 7071340 |
12 | 4230940 |
13 | 278abca |
14 | 19373b2 |
15 | 117036c |
hex | bed040 |
12505152 has 112 divisors (see below), whose sum is σ = 37453824. Its totient is φ = 3648000.
The previous prime is 12505151. The next prime is 12505189. The reversal of 12505152 is 25150521.
12505152 is nontrivially palindromic in base 7.
It is not an unprimeable number, because it can be changed into a prime (12505151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65377 + ... + 65567.
Almost surely, 212505152 is an apocalyptic number.
12505152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12505152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18726912).
12505152 is an abundant number, since it is smaller than the sum of its proper divisors (24948672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12505152 is a wasteful number, since it uses less digits than its factorization.
12505152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248 (or 238 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 12505152 is about 3536.2624337003. The cubic root of 12505152 is about 232.1113219220. Note that the first 3 decimals are identical.
Adding to 12505152 its reverse (25150521), we get a palindrome (37655673).
The spelling of 12505152 in words is "twelve million, five hundred five thousand, one hundred fifty-two".
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