Base | Representation |
---|---|
bin | 10110111011101101… |
… | …01000011001111000 |
3 | 1011210001020110010222 |
4 | 23131312220121320 |
5 | 200203334124400 |
6 | 5353413155212 |
7 | 614050306535 |
oct | 133566503170 |
9 | 34701213128 |
10 | 12312020600 |
11 | 52488a6340 |
12 | 247732bb08 |
13 | 12129b0ab9 |
14 | 84b23dd8c |
15 | 4c0d56185 |
hex | 2ddda8678 |
12312020600 has 48 divisors (see below), whose sum is σ = 31227766920. Its totient is φ = 4477097600.
The previous prime is 12312020599. The next prime is 12312020603. The reversal of 12312020600 is 602021321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312020603) 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 11 ways as a sum of consecutive naturals, for example, 2795987 + ... + 2800386.
Almost surely, 212312020600 is an apocalyptic number.
12312020600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12312020600 is an abundant number, since it is smaller than the sum of its proper divisors (18915746320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312020600 is a wasteful number, since it uses less digits than its factorization.
12312020600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5596400 (or 5596391 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12312020600 its reverse (602021321), we get a palindrome (12914041921).
The spelling of 12312020600 in words is "twelve billion, three hundred twelve million, twenty thousand, six hundred".
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