Base | Representation |
---|---|
bin | 10101011101111… |
… | …01000110101100 |
3 | 110112212001210012 |
4 | 22232331012230 |
5 | 332100043233 |
6 | 25511432352 |
7 | 4314443456 |
oct | 1256750654 |
9 | 415761705 |
10 | 180081068 |
11 | 92718632 |
12 | 503856b8 |
13 | 2b401a5b |
14 | 19cb92d6 |
15 | 10c22548 |
hex | abbd1ac |
180081068 has 48 divisors (see below), whose sum is σ = 351902880. Its totient is φ = 80231424.
The previous prime is 180081067. The next prime is 180081071. The reversal of 180081068 is 860180081.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (180081067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103655 + ... + 105377.
It is an arithmetic number, because the mean of its divisors is an integer number (7331310).
Almost surely, 2180081068 is an apocalyptic number.
It is an amenable number.
180081068 is a deficient number, since it is larger than the sum of its proper divisors (171821812).
180081068 is a wasteful number, since it uses less digits than its factorization.
180081068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 32.
The square root of 180081068 is about 13419.4287508821. The cubic root of 180081068 is about 564.7063689496.
The spelling of 180081068 in words is "one hundred eighty million, eighty-one thousand, sixty-eight".
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