Base | Representation |
---|---|
bin | 101111101101… |
… | …011111011110 |
3 | 212112102112000 |
4 | 233231133132 |
5 | 11200211402 |
6 | 1124023130 |
7 | 211210566 |
oct | 57553736 |
9 | 25472460 |
10 | 12507102 |
11 | 7072853 |
12 | 4231aa6 |
13 | 278ba6a |
14 | 1937da6 |
15 | 1170c1c |
hex | bed7de |
12507102 has 16 divisors (see below), whose sum is σ = 27793680. Its totient is φ = 4169016.
The previous prime is 12507059. The next prime is 12507107. The reversal of 12507102 is 20170521.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12507107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115753 + ... + 115860.
It is an arithmetic number, because the mean of its divisors is an integer number (1737105).
Almost surely, 212507102 is an apocalyptic number.
12507102 is an abundant number, since it is smaller than the sum of its proper divisors (15286578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12507102 is a wasteful number, since it uses less digits than its factorization.
12507102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231624 (or 231618 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 12507102 is about 3536.5381377839. The cubic root of 12507102 is about 232.1233861111.
Adding to 12507102 its reverse (20170521), we get a palindrome (32677623).
The spelling of 12507102 in words is "twelve million, five hundred seven thousand, one hundred two".
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