Base | Representation |
---|---|
bin | 11100001000100011… |
… | …011110001111110010 |
3 | 2212222021020000102111 |
4 | 130020203132033302 |
5 | 443331310201410 |
6 | 21513312235534 |
7 | 2116406131465 |
oct | 341043361762 |
9 | 85867200374 |
10 | 30208287730 |
11 | 118a1877755 |
12 | 5a3083bbaa |
13 | 2b0559178a |
14 | 1667d872dc |
15 | bbc06db8a |
hex | 7088de3f2 |
30208287730 has 8 divisors (see below), whose sum is σ = 54374917932. Its totient is φ = 12083315088.
The previous prime is 30208287727. The next prime is 30208287763. The reversal of 30208287730 is 3778280203.
It can be written as a sum of positive squares in 2 ways, for example, as 25436103169 + 4772184561 = 159487^2 + 69081^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510414377 + ... + 1510414396.
Almost surely, 230208287730 is an apocalyptic number.
30208287730 is a deficient number, since it is larger than the sum of its proper divisors (24166630202).
30208287730 is a wasteful number, since it uses less digits than its factorization.
30208287730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3020828780.
The product of its (nonzero) digits is 112896, while the sum is 40.
The spelling of 30208287730 in words is "thirty billion, two hundred eight million, two hundred eighty-seven thousand, seven hundred thirty".
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