Base | Representation |
---|---|
bin | 11000111101111110… |
… | …00001010100100000 |
3 | 1021121012101021210012 |
4 | 30132333001110200 |
5 | 204423103120343 |
6 | 10054050024052 |
7 | 653116254164 |
oct | 143677012440 |
9 | 37535337705 |
10 | 13404738848 |
11 | 5759697776 |
12 | 2721278028 |
13 | 13581b2247 |
14 | 912404ca4 |
15 | 536c4e718 |
hex | 31efc1520 |
13404738848 has 54 divisors (see below), whose sum is σ = 26792427753. Its totient is φ = 6601835520.
The previous prime is 13404738803. The next prime is 13404738883. The reversal of 13404738848 is 84883740431.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 13369834384 + 34904464 = 115628^2 + 5908^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=81868.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13404738796 and 13404738805.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63529463 + ... + 63529673.
Almost surely, 213404738848 is an apocalyptic number.
It is an amenable number.
13404738848 is a deficient number, since it is larger than the sum of its proper divisors (13387688905).
13404738848 is an frugal number, since it uses more digits than its factorization.
13404738848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626 (or 310 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 50.
Multiplying 13404738848 by its sum of digits (50), we get a square (670236942400 = 8186802).
The spelling of 13404738848 in words is "thirteen billion, four hundred four million, seven hundred thirty-eight thousand, eight hundred forty-eight".
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