Base | Representation |
---|---|
bin | 11100011011100100… |
… | …001010001010111011 |
3 | 2220210111101012110222 |
4 | 130123210022022323 |
5 | 1000004433002442 |
6 | 22005104330255 |
7 | 2130331133252 |
oct | 343344121273 |
9 | 86714335428 |
10 | 30527234747 |
11 | 11a45912329 |
12 | 5abb61398b |
13 | 2b56694619 |
14 | 169848d799 |
15 | bda0718d2 |
hex | 71b90a2bb |
30527234747 has 32 divisors (see below), whose sum is σ = 33384960000. Its totient is φ = 27807556608.
The previous prime is 30527234719. The next prime is 30527234767. The reversal of 30527234747 is 74743272503.
It is a happy number.
It is not a de Polignac number, because 30527234747 - 214 = 30527218363 is a prime.
It is a super-2 number, since 2×305272347472 (a number of 22 digits) contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30527234698 and 30527234707.
It is not an unprimeable number, because it can be changed into a prime (30527234767) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15270254 + ... + 15272252.
It is an arithmetic number, because the mean of its divisors is an integer number (1043280000).
Almost surely, 230527234747 is an apocalyptic number.
30527234747 is a deficient number, since it is larger than the sum of its proper divisors (2857725253).
30527234747 is a wasteful number, since it uses less digits than its factorization.
30527234747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2315.
The product of its (nonzero) digits is 987840, while the sum is 44.
The spelling of 30527234747 in words is "thirty billion, five hundred twenty-seven million, two hundred thirty-four thousand, seven hundred forty-seven".
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