Base | Representation |
---|---|
bin | 1001011111101101110… |
… | …0110110101100001000 |
3 | 120121001222110100021202 |
4 | 2113323130312230020 |
5 | 10133043400411313 |
6 | 202535250123332 |
7 | 14533400551241 |
oct | 2277334665410 |
9 | 517058410252 |
10 | 163132435208 |
11 | 63203009096 |
12 | 27748880548 |
13 | 124ca210192 |
14 | 7c77951cc8 |
15 | 439b991558 |
hex | 25fb736b08 |
163132435208 has 12 divisors (see below), whose sum is σ = 305875458015. Its totient is φ = 81565646408.
The previous prime is 163132435187. The next prime is 163132435247. The reversal of 163132435208 is 802534231361.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
163132435208 is digitally balanced in base 3, 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., 81566217604 + 81566217604 = 285598^2 + 285598^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=285598.
It is a super-2 number, since 2×1631324352082 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1070993 + ... + 1213791.
Almost surely, 2163132435208 is an apocalyptic number.
It is an amenable number.
163132435208 is a deficient number, since it is larger than the sum of its proper divisors (142743022807).
163132435208 is an frugal number, since it uses more digits than its factorization.
163132435208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285604 (or 142801 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 38.
Adding to 163132435208 its reverse (802534231361), we get a palindrome (965666666569).
The spelling of 163132435208 in words is "one hundred sixty-three billion, one hundred thirty-two million, four hundred thirty-five thousand, two hundred eight".
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