Base | Representation |
---|---|
bin | 1001100000000101010… |
… | …0100101010110010001 |
3 | 120121022211210102011220 |
4 | 2120001110211112101 |
5 | 10133244104232241 |
6 | 202553125155253 |
7 | 14536005005064 |
oct | 2300124452621 |
9 | 517284712156 |
10 | 163230930321 |
11 | 63253671a08 |
12 | 2777585bb29 |
13 | 12514747a04 |
14 | 7c86a708db |
15 | 43a544a166 |
hex | 2601525591 |
163230930321 has 8 divisors (see below), whose sum is σ = 222702664800. Its totient is φ = 106289908032.
The previous prime is 163230930319. The next prime is 163230930329. The reversal of 163230930321 is 123039032361.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 163230930321 - 21 = 163230930319 is a prime.
It is a super-2 number, since 2×1632309303212 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (163230930329) 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, 632677896 + ... + 632678153.
It is an arithmetic number, because the mean of its divisors is an integer number (27837833100).
Almost surely, 2163230930321 is an apocalyptic number.
It is an amenable number.
163230930321 is a deficient number, since it is larger than the sum of its proper divisors (59471734479).
163230930321 is a wasteful number, since it uses less digits than its factorization.
163230930321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1265356095.
The product of its (nonzero) digits is 17496, while the sum is 33.
Adding to 163230930321 its reverse (123039032361), we get a palindrome (286269962682).
The spelling of 163230930321 in words is "one hundred sixty-three billion, two hundred thirty million, nine hundred thirty thousand, three hundred twenty-one".
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