Base | Representation |
---|---|
bin | 10101100010101… |
… | …11100101010100 |
3 | 110121001012202011 |
4 | 22301113211110 |
5 | 332230320222 |
6 | 25533154004 |
7 | 4323020266 |
oct | 1261274524 |
9 | 417035664 |
10 | 180713812 |
11 | 9300aa64 |
12 | 5062b904 |
13 | 2b593a66 |
14 | 1a001b36 |
15 | 10ce9c77 |
hex | ac57954 |
180713812 has 6 divisors (see below), whose sum is σ = 316249178. Its totient is φ = 90356904.
The previous prime is 180713803. The next prime is 180713851. The reversal of 180713812 is 218317081.
It is a happy number.
180713812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 92428996 + 88284816 = 9614^2 + 9396^2 .
It is a super-4 number, since 4×1807138124 (a number of 34 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22589223 + ... + 22589230.
Almost surely, 2180713812 is an apocalyptic number.
It is an amenable number.
180713812 is a deficient number, since it is larger than the sum of its proper divisors (135535366).
180713812 is a wasteful number, since it uses less digits than its factorization.
180713812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45178457 (or 45178455 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 31.
The square root of 180713812 is about 13442.9837461778. The cubic root of 180713812 is about 565.3669915819.
The spelling of 180713812 in words is "one hundred eighty million, seven hundred thirteen thousand, eight hundred twelve".
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