Base | Representation |
---|---|
bin | 10011011011111… |
… | …11001000101111 |
3 | 102100210210121001 |
4 | 21231333020233 |
5 | 313220100111 |
6 | 24102421131 |
7 | 4016621344 |
oct | 1155771057 |
9 | 370723531 |
10 | 163050031 |
11 | 840459a1 |
12 | 467317a7 |
13 | 27a1ab11 |
14 | 179247cb |
15 | e4ab1c1 |
hex | 9b7f22f |
163050031 has 4 divisors (see below), whose sum is σ = 163316632. Its totient is φ = 162783432.
The previous prime is 163050029. The next prime is 163050037. The reversal of 163050031 is 130050361.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 163050031 - 21 = 163050029 is a prime.
It is a super-2 number, since 2×1630500312 = 53170625218201922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 163049990 and 163050008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163050037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132381 + ... + 133606.
It is an arithmetic number, because the mean of its divisors is an integer number (40829158).
Almost surely, 2163050031 is an apocalyptic number.
163050031 is a deficient number, since it is larger than the sum of its proper divisors (266601).
163050031 is an equidigital number, since it uses as much as digits as its factorization.
163050031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266600.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 163050031 is about 12769.1045496542. The cubic root of 163050031 is about 546.3114403921.
The spelling of 163050031 in words is "one hundred sixty-three million, fifty thousand, thirty-one".
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