Base | Representation |
---|---|
bin | 11100001000001100… |
… | …110000000000111001 |
3 | 2212221212000101121000 |
4 | 130020030300000321 |
5 | 443323244044233 |
6 | 21512540435213 |
7 | 2116304402466 |
oct | 341014600071 |
9 | 85855011530 |
10 | 30202331193 |
11 | 118994794a1 |
12 | 5a2a848b09 |
13 | 2b042874b8 |
14 | 166727666d |
15 | bbb793d13 |
hex | 708330039 |
30202331193 has 8 divisors (see below), whose sum is σ = 44744194400. Its totient is φ = 20134887444.
The previous prime is 30202331191. The next prime is 30202331207. The reversal of 30202331193 is 39113320203.
It is not a de Polignac number, because 30202331193 - 21 = 30202331191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1118604859 = 30202331193 / (3 + 0 + 2 + 0 + 2 + 3 + 3 + 1 + 1 + 9 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30202331191) 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, 559302403 + ... + 559302456.
It is an arithmetic number, because the mean of its divisors is an integer number (5593024300).
Almost surely, 230202331193 is an apocalyptic number.
It is an amenable number.
30202331193 is a deficient number, since it is larger than the sum of its proper divisors (14541863207).
30202331193 is a wasteful number, since it uses less digits than its factorization.
30202331193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1118604868 (or 1118604862 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 27.
Adding to 30202331193 its reverse (39113320203), we get a palindrome (69315651396).
The spelling of 30202331193 in words is "thirty billion, two hundred two million, three hundred thirty-one thousand, one hundred ninety-three".
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