Base | Representation |
---|---|
bin | 10101011111111… |
… | …00101001000000 |
3 | 110120100021202212 |
4 | 22233330221000 |
5 | 332131410222 |
6 | 25521201252 |
7 | 4316606264 |
oct | 1257745100 |
9 | 416307685 |
10 | 180341312 |
11 | 92886108 |
12 | 50490228 |
13 | 2b493348 |
14 | 19d460a4 |
15 | 10c746e2 |
hex | abfca40 |
180341312 has 56 divisors (see below), whose sum is σ = 385572000. Its totient is φ = 83414016.
The previous prime is 180341311. The next prime is 180341377. The reversal of 180341312 is 213143081.
180341312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×1803413124 (a number of 34 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (180341311) 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, 50564 + ... + 54012.
Almost surely, 2180341312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 180341312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192786000).
180341312 is an abundant number, since it is smaller than the sum of its proper divisors (205230688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180341312 is a wasteful number, since it uses less digits than its factorization.
180341312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3523 (or 3513 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 180341312 is about 13429.1217881141. The cubic root of 180341312 is about 564.9782663214.
Adding to 180341312 its reverse (213143081), we get a palindrome (393484393).
The spelling of 180341312 in words is "one hundred eighty million, three hundred forty-one thousand, three hundred twelve".
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