Base | Representation |
---|---|
bin | 10111100001110001… |
… | …10010011111110010 |
3 | 1012121022010020022010 |
4 | 23300320302133302 |
5 | 201332111301310 |
6 | 5445221423350 |
7 | 625005506001 |
oct | 136070623762 |
9 | 35538106263 |
10 | 12631353330 |
11 | 53a2084792 |
12 | 254626ab56 |
13 | 1263bba38b |
14 | 87b806c38 |
15 | 4dddd3320 |
hex | 2f0e327f2 |
12631353330 has 64 divisors (see below), whose sum is σ = 31928832000. Its totient is φ = 3189274560.
The previous prime is 12631353323. The next prime is 12631353331. The reversal of 12631353330 is 3335313621.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (12631353331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209471 + ... + 1219869.
It is an arithmetic number, because the mean of its divisors is an integer number (498888000).
Almost surely, 212631353330 is an apocalyptic number.
12631353330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12631353330 is an abundant number, since it is smaller than the sum of its proper divisors (19297478670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12631353330 is a wasteful number, since it uses less digits than its factorization.
12631353330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12559.
The product of its (nonzero) digits is 14580, while the sum is 30.
Adding to 12631353330 its reverse (3335313621), we get a palindrome (15966666951).
The spelling of 12631353330 in words is "twelve billion, six hundred thirty-one million, three hundred fifty-three thousand, three hundred thirty".
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