Base | Representation |
---|---|
bin | 11100011111001100… |
… | …110111101101000000 |
3 | 2220221202011112010000 |
4 | 130133030313231000 |
5 | 1000121042114111 |
6 | 22015124040000 |
7 | 2132001511233 |
oct | 343714675500 |
9 | 86852145100 |
10 | 30588238656 |
11 | 11a77299488 |
12 | 5b17b33000 |
13 | 2b66203501 |
14 | 16a260d41a |
15 | be05c1c56 |
hex | 71f337b40 |
30588238656 has 140 divisors (see below), whose sum is σ = 93598552960. Its totient is φ = 9867121920.
The previous prime is 30588238651. The next prime is 30588238663. The reversal of 30588238656 is 65683288503.
30588238656 is a `hidden beast` number, since 3 + 0 + 588 + 2 + 3 + 8 + 6 + 56 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30588238651) 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 19 ways as a sum of consecutive naturals, for example, 65535 + ... + 255873.
Almost surely, 230588238656 is an apocalyptic number.
30588238656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30588238656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46799276480).
30588238656 is an abundant number, since it is smaller than the sum of its proper divisors (63010314304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30588238656 is a wasteful number, since it uses less digits than its factorization.
30588238656 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190394 (or 190375 counting only the distinct ones).
The product of its (nonzero) digits is 8294400, while the sum is 54.
The spelling of 30588238656 in words is "thirty billion, five hundred eighty-eight million, two hundred thirty-eight thousand, six hundred fifty-six".
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