Base | Representation |
---|---|
bin | 11100101010010101… |
… | …010110011100001000 |
3 | 2221102202121112201012 |
4 | 130222111112130020 |
5 | 1001011400323310 |
6 | 22045435143052 |
7 | 2136430164242 |
oct | 345225263410 |
9 | 87382545635 |
10 | 30775011080 |
11 | 12062767360 |
12 | 5b6a5a4a88 |
13 | 2b95b08b38 |
14 | 16bd34b092 |
15 | c01bb6c05 |
hex | 72a556708 |
30775011080 has 128 divisors (see below), whose sum is σ = 79606022400. Its totient is φ = 10598016000.
The previous prime is 30775011077. The next prime is 30775011097. The reversal of 30775011080 is 8011057703.
It is a super-3 number, since 3×307750110803 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007066 + ... + 1037174.
It is an arithmetic number, because the mean of its divisors is an integer number (621922050).
Almost surely, 230775011080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30775011080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39803011200).
30775011080 is an abundant number, since it is smaller than the sum of its proper divisors (48831011320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30775011080 is a wasteful number, since it uses less digits than its factorization.
30775011080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30255 (or 30251 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 32.
Adding to 30775011080 its reverse (8011057703), we get a palindrome (38786068783).
The spelling of 30775011080 in words is "thirty billion, seven hundred seventy-five million, eleven thousand, eighty".
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