Base | Representation |
---|---|
bin | 10111010010011010… |
… | …01010101010110010 |
3 | 1012021022121122212212 |
4 | 23221031022222302 |
5 | 201101113234430 |
6 | 5424335252122 |
7 | 621552206456 |
oct | 135115125262 |
9 | 35238548785 |
10 | 12502477490 |
11 | 5336360428 |
12 | 250b07a042 |
13 | 12432a6499 |
14 | 86865a666 |
15 | 4d2927b95 |
hex | 2e934aab2 |
12502477490 has 8 divisors (see below), whose sum is σ = 22504459500. Its totient is φ = 5000990992.
The previous prime is 12502477387. The next prime is 12502477499. The reversal of 12502477490 is 9477420521.
12502477490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12316782361 + 185695129 = 110981^2 + 13627^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12502477499) 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 3 ways as a sum of consecutive naturals, for example, 625123865 + ... + 625123884.
Almost surely, 212502477490 is an apocalyptic number.
12502477490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12502477490 is a deficient number, since it is larger than the sum of its proper divisors (10001982010).
12502477490 is a wasteful number, since it uses less digits than its factorization.
12502477490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1250247756.
The product of its (nonzero) digits is 141120, while the sum is 41.
The spelling of 12502477490 in words is "twelve billion, five hundred two million, four hundred seventy-seven thousand, four hundred ninety".
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