Base | Representation |
---|---|
bin | 11100010000111010… |
… | …001111000000000000 |
3 | 2220100001000010112100 |
4 | 130100322033000000 |
5 | 444123202103240 |
6 | 21535241030400 |
7 | 2123030521065 |
oct | 342072170000 |
9 | 86301003470 |
10 | 30348472320 |
11 | 11963a15491 |
12 | 5a6b785400 |
13 | 2b28634b3a |
14 | 167c838c6c |
15 | bc950ee30 |
hex | 710e8f000 |
30348472320 has 312 divisors, whose sum is σ = 105801508800. Its totient is φ = 8046379008.
The previous prime is 30348472309. The next prime is 30348472351. The reversal of 30348472320 is 2327484303.
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, 42208921 + ... + 42209639.
It is an arithmetic number, because the mean of its divisors is an integer number (339107400).
Almost surely, 230348472320 is an apocalyptic number.
30348472320 is a gapful number since it is divisible by the number (30) 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 30348472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52900754400).
30348472320 is an abundant number, since it is smaller than the sum of its proper divisors (75453036480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30348472320 is a wasteful number, since it uses less digits than its factorization.
30348472320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 983 (or 958 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 36.
The spelling of 30348472320 in words is "thirty billion, three hundred forty-eight million, four hundred seventy-two thousand, three hundred twenty".
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