Base | Representation |
---|---|
bin | 11011111101011000… |
… | …011100010110011000 |
3 | 2212111012112001002020 |
4 | 123331120130112120 |
5 | 442440314101000 |
6 | 21442534534440 |
7 | 2111641663164 |
oct | 337530342630 |
9 | 85435461066 |
10 | 30020847000 |
11 | 11805a92761 |
12 | 5999b07420 |
13 | 2aa57b3bc1 |
14 | 164b113ca4 |
15 | baa895ba0 |
hex | 6fd61c598 |
30020847000 has 128 divisors (see below), whose sum is σ = 93772823040. Its totient is φ = 7996348800.
The previous prime is 30020846987. The next prime is 30020847047. The reversal of 30020847000 is 74802003.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 2835717 + ... + 2846283.
It is an arithmetic number, because the mean of its divisors is an integer number (732600180).
Almost surely, 230020847000 is an apocalyptic number.
30020847000 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 30020847000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46886411520).
30020847000 is an abundant number, since it is smaller than the sum of its proper divisors (63751976040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020847000 is a wasteful number, since it uses less digits than its factorization.
30020847000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11538 (or 11524 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The spelling of 30020847000 in words is "thirty billion, twenty million, eight hundred forty-seven thousand".
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