Base | Representation |
---|---|
bin | 11100010000110110… |
… | …110101110000001000 |
3 | 2220022222022220220000 |
4 | 130100312311300020 |
5 | 444122440114342 |
6 | 21535210003000 |
7 | 2123020123554 |
oct | 342066656010 |
9 | 86288286800 |
10 | 30347582472 |
11 | 11963467979 |
12 | 5a6b416460 |
13 | 2b283b2abc |
14 | 167c686864 |
15 | bc93d644c |
hex | 710db5c08 |
30347582472 has 80 divisors (see below), whose sum is σ = 86394907500. Its totient is φ = 9950014080.
The previous prime is 30347582467. The next prime is 30347582479. The reversal of 30347582472 is 27428574303.
30347582472 is a `hidden beast` number, since 3 + 0 + 34 + 75 + 82 + 472 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 19646507556 + 10701074916 = 140166^2 + 103446^2 .
It is not an unprimeable number, because it can be changed into a prime (30347582479) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 344347 + ... + 423402.
Almost surely, 230347582472 is an apocalyptic number.
It is an amenable number.
30347582472 is an abundant number, since it is smaller than the sum of its proper divisors (56047325028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30347582472 is a wasteful number, since it uses less digits than its factorization.
30347582472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 767828 (or 767815 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 45.
The spelling of 30347582472 in words is "thirty billion, three hundred forty-seven million, five hundred eighty-two thousand, four hundred seventy-two".
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