Base | Representation |
---|---|
bin | 11001010110001110… |
… | …10000001111000000 |
3 | 1022010101021101111110 |
4 | 30223013100033000 |
5 | 210332201124210 |
6 | 10130155243320 |
7 | 661136664342 |
oct | 145307201700 |
9 | 38111241443 |
10 | 13608223680 |
11 | 585353a957 |
12 | 2779449540 |
13 | 138b3b977c |
14 | 931453292 |
15 | 549a46420 |
hex | 32b1d03c0 |
13608223680 has 56 divisors (see below), whose sum is σ = 43206113232. Its totient is φ = 3628859392.
The previous prime is 13608223649. The next prime is 13608223687. The reversal of 13608223680 is 8632280631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13608223687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7086657 + ... + 7088576.
Almost surely, 213608223680 is an apocalyptic number.
13608223680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13608223680 is an abundant number, since it is smaller than the sum of its proper divisors (29597889552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13608223680 is a wasteful number, since it uses less digits than its factorization.
13608223680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14175253 (or 14175243 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 39.
The spelling of 13608223680 in words is "thirteen billion, six hundred eight million, two hundred twenty-three thousand, six hundred eighty".
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