Base | Representation |
---|---|
bin | 11011111110000111… |
… | …101100000001110000 |
3 | 2212112001211021002100 |
4 | 123332013230001300 |
5 | 443002001410414 |
6 | 21444100220400 |
7 | 2112152155050 |
oct | 337607540160 |
9 | 85461737070 |
10 | 30033231984 |
11 | 11811a81788 |
12 | 59a209a700 |
13 | 2aa822c1b2 |
14 | 164ca19560 |
15 | bab9e0609 |
hex | 6fe1ec070 |
30033231984 has 120 divisors (see below), whose sum is σ = 96112598400. Its totient is φ = 8576106624.
The previous prime is 30033231971. The next prime is 30033232007. The reversal of 30033231984 is 48913233003.
30033231984 is a `hidden beast` number, since 3 + 0 + 0 + 332 + 319 + 8 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2035867 + ... + 2050565.
It is an arithmetic number, because the mean of its divisors is an integer number (800938320).
Almost surely, 230033231984 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 30033231984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48056299200).
30033231984 is an abundant number, since it is smaller than the sum of its proper divisors (66079366416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033231984 is a wasteful number, since it uses less digits than its factorization.
30033231984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16747 (or 16738 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
Adding to 30033231984 its reverse (48913233003), we get a palindrome (78946464987).
The spelling of 30033231984 in words is "thirty billion, thirty-three million, two hundred thirty-one thousand, nine hundred eighty-four".
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