Base | Representation |
---|---|
bin | 10111100001000101… |
… | …11101100010010110 |
3 | 1012120220100112021010 |
4 | 23300202331202112 |
5 | 201324130201012 |
6 | 5444455033050 |
7 | 624606044640 |
oct | 136042754226 |
9 | 35526315233 |
10 | 12625631382 |
11 | 5399926801 |
12 | 254436b786 |
13 | 1262965b00 |
14 | 87ab57890 |
15 | 4dd652c3c |
hex | 2f08bd896 |
12625631382 has 48 divisors (see below), whose sum is σ = 31249255680. Its totient is φ = 3329834976.
The previous prime is 12625631329. The next prime is 12625631387. The reversal of 12625631382 is 28313652621.
It is a happy number.
12625631382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 12625631382.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12625631387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882282 + ... + 896477.
It is an arithmetic number, because the mean of its divisors is an integer number (651026160).
Almost surely, 212625631382 is an apocalyptic number.
12625631382 is an abundant number, since it is smaller than the sum of its proper divisors (18623624298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12625631382 is a wasteful number, since it uses less digits than its factorization.
12625631382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1778797 (or 1778784 counting only the distinct ones).
The product of its digits is 103680, while the sum is 39.
The spelling of 12625631382 in words is "twelve billion, six hundred twenty-five million, six hundred thirty-one thousand, three hundred eighty-two".
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