Base | Representation |
---|---|
bin | 11100100011111001… |
… | …000101010110100100 |
3 | 2221011020020211222210 |
4 | 130203321011112210 |
5 | 1000301214002024 |
6 | 22031014523420 |
7 | 2133645445551 |
oct | 344371052644 |
9 | 87136224883 |
10 | 30666937764 |
11 | 12007761271 |
12 | 5b3a366570 |
13 | 2b795c9728 |
14 | 16acc57a28 |
15 | be746a129 |
hex | 723e455a4 |
30666937764 has 24 divisors (see below), whose sum is σ = 75322303840. Its totient is φ = 9684296064.
The previous prime is 30666937759. The next prime is 30666937793. The reversal of 30666937764 is 46773966603.
It is a super-2 number, since 2×306669377642 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67251829 + ... + 67252284.
Almost surely, 230666937764 is an apocalyptic number.
It is an amenable number.
30666937764 is an abundant number, since it is smaller than the sum of its proper divisors (44655366076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30666937764 is a wasteful number, since it uses less digits than its factorization.
30666937764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134504139 (or 134504137 counting only the distinct ones).
The product of its (nonzero) digits is 20575296, while the sum is 57.
The spelling of 30666937764 in words is "thirty billion, six hundred sixty-six million, nine hundred thirty-seven thousand, seven hundred sixty-four".
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