Base | Representation |
---|---|
bin | 10111111111001100… |
… | …10011000101100100 |
3 | 1020020111112112100001 |
4 | 23333212103011210 |
5 | 202333302224244 |
6 | 5525515431044 |
7 | 634063406404 |
oct | 137746230544 |
9 | 36214475301 |
10 | 12878164324 |
11 | 550942a513 |
12 | 25b4a55484 |
13 | 12a308439c |
14 | 8a24d2804 |
15 | 5058d75d4 |
hex | 2ff993164 |
12878164324 has 27 divisors (see below), whose sum is σ = 23568804147. Its totient is φ = 6156625464.
The previous prime is 12878164283. The next prime is 12878164361. The reversal of 12878164324 is 42346187821.
The square root of 12878164324 is 113482.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a Duffinian number.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 5218939 + ... + 5221405.
Almost surely, 212878164324 is an apocalyptic number.
12878164324 is the 113482-nd square number.
It is an amenable number.
12878164324 is a deficient number, since it is larger than the sum of its proper divisors (10690639823).
12878164324 is an frugal number, since it uses more digits than its factorization.
12878164324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4984 (or 2492 counting only the distinct ones).
The product of its digits is 516096, while the sum is 46.
The spelling of 12878164324 in words is "twelve billion, eight hundred seventy-eight million, one hundred sixty-four thousand, three hundred twenty-four".
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