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30020847000 = 2335394710567
BaseRepresentation
bin11011111101011000…
…011100010110011000
32212111012112001002020
4123331120130112120
5442440314101000
621442534534440
72111641663164
oct337530342630
985435461066
1030020847000
1111805a92761
125999b07420
132aa57b3bc1
14164b113ca4
15baa895ba0
hex6fd61c598

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".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 947 1000 1500 1894 2841 3000 3788 4735 5682 7576 9470 10567 11364 14205 18940 21134 22728 23675 28410 31701 37880 42268 47350 52835 56820 63402 71025 84536 94700 105670 113640 118375 126804 142050 158505 189400 211340 236750 253608 264175 284100 317010 355125 422680 473500 528350 568200 634020 710250 792525 947000 1056700 1268040 1320875 1420500 1585050 2113400 2641750 2841000 3170100 3962625 5283500 6340200 7925250 10006949 10567000 15850500 20013898 30020847 31701000 40027796 50034745 60041694 80055592 100069490 120083388 150104235 200138980 240166776 250173725 300208470 400277960 500347450 600416940 750521175 1000694900 1200833880 1250868625 1501042350 2001389800 2501737250 3002084700 3752605875 5003474500 6004169400 7505211750 10006949000 15010423500 30020847000