Base | Representation |
---|---|
bin | 11100010011011010… |
… | …100001111001011110 |
3 | 2220102222001222202011 |
4 | 130103122201321132 |
5 | 444214431232031 |
6 | 21543341421434 |
7 | 2124050632504 |
oct | 342332417136 |
9 | 86388058664 |
10 | 30390492766 |
11 | 11985706027 |
12 | 5a8186a87a |
13 | 2b342581ca |
14 | 1684256674 |
15 | bcd0606b1 |
hex | 7136a1e5e |
30390492766 has 8 divisors (see below), whose sum is σ = 45654915240. Its totient is φ = 15172187688.
The previous prime is 30390492721. The next prime is 30390492767. The reversal of 30390492766 is 66729409303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30390492767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11527701 + ... + 11530336.
It is an arithmetic number, because the mean of its divisors is an integer number (5706864405).
Almost surely, 230390492766 is an apocalyptic number.
30390492766 is a deficient number, since it is larger than the sum of its proper divisors (15264422474).
30390492766 is a wasteful number, since it uses less digits than its factorization.
30390492766 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23058698.
The product of its (nonzero) digits is 1469664, while the sum is 49.
The spelling of 30390492766 in words is "thirty billion, three hundred ninety million, four hundred ninety-two thousand, seven hundred sixty-six".
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