Base | Representation |
---|---|
bin | 11000101111010000… |
… | …10000111100101000 |
3 | 1021021121011121211102 |
4 | 30113220100330220 |
5 | 204200010124112 |
6 | 10033521020532 |
7 | 650060316362 |
oct | 142750207450 |
9 | 37247147742 |
10 | 13281333032 |
11 | 56a5a6a0a0 |
12 | 26a7a84748 |
13 | 1338765056 |
14 | 8ddc7dd32 |
15 | 52aec4bc2 |
hex | 317a10f28 |
13281333032 has 64 divisors (see below), whose sum is σ = 29293790400. Its totient is φ = 5579712000.
The previous prime is 13281332969. The next prime is 13281333053. The reversal of 13281333032 is 23033318231.
It is a junction number, because it is equal to n+sod(n) for n = 13281332986 and 13281333004.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28319 + ... + 165422.
It is an arithmetic number, because the mean of its divisors is an integer number (457715475).
Almost surely, 213281333032 is an apocalyptic number.
It is an amenable number.
13281333032 is an abundant number, since it is smaller than the sum of its proper divisors (16012457368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13281333032 is a wasteful number, since it uses less digits than its factorization.
13281333032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193818 (or 193814 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 29.
The spelling of 13281333032 in words is "thirteen billion, two hundred eighty-one million, three hundred thirty-three thousand, thirty-two".
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