Base | Representation |
---|---|
bin | 11100001000100011… |
… | …000111010011000100 |
3 | 2212222021001020111002 |
4 | 130020203013103010 |
5 | 443331244144412 |
6 | 21513310232432 |
7 | 2116405260443 |
oct | 341043072304 |
9 | 85867036432 |
10 | 30208193732 |
11 | 118a1813072 |
12 | 5a307b5718 |
13 | 2b0555aa62 |
14 | 1667d60d5a |
15 | bbc050dc2 |
hex | 7088c74c4 |
30208193732 has 12 divisors (see below), whose sum is σ = 52884017340. Its totient is φ = 15098474496.
The previous prime is 30208193731. The next prime is 30208193783. The reversal of 30208193732 is 23739180203.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 14396640196 + 15811553536 = 119986^2 + 125744^2 .
It is not an unprimeable number, because it can be changed into a prime (30208193731) 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, 1393493 + ... + 1415004.
It is an arithmetic number, because the mean of its divisors is an integer number (4407001445).
Almost surely, 230208193732 is an apocalyptic number.
It is an amenable number.
30208193732 is a deficient number, since it is larger than the sum of its proper divisors (22675823608).
30208193732 is a wasteful number, since it uses less digits than its factorization.
30208193732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2811190 (or 2811188 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 38.
The spelling of 30208193732 in words is "thirty billion, two hundred eight million, one hundred ninety-three thousand, seven hundred thirty-two".
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