Base | Representation |
---|---|
bin | 11100101000101011… |
… | …110000011110000000 |
3 | 2221100211112020000000 |
4 | 130220223300132000 |
5 | 1000432304033212 |
6 | 22043010000000 |
7 | 2135642665530 |
oct | 345053603600 |
9 | 87324466000 |
10 | 30747330432 |
11 | 12049080495 |
12 | 5b61276000 |
13 | 2b90166760 |
14 | 16b97c34c0 |
15 | bee54a1dc |
hex | 728af0780 |
30747330432 has 1024 divisors, whose sum is σ = 121405132800. Its totient is φ = 7524679680.
The previous prime is 30747330401. The next prime is 30747330437. The reversal of 30747330432 is 23403374703.
30747330432 is a `hidden beast` number, since 307 + 47 + 3 + 304 + 3 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30747330437) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 433060957 + ... + 433061027.
It is an arithmetic number, because the mean of its divisors is an integer number (118559700).
Almost surely, 230747330432 is an apocalyptic number.
30747330432 is a gapful number since it is divisible by the number (32) 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 30747330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60702566400).
30747330432 is an abundant number, since it is smaller than the sum of its proper divisors (90657802368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30747330432 is an equidigital number, since it uses as much as digits as its factorization.
30747330432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143 (or 113 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 36.
The spelling of 30747330432 in words is "thirty billion, seven hundred forty-seven million, three hundred thirty thousand, four hundred thirty-two".
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