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30066371600 = 2452899192
BaseRepresentation
bin11100000000000110…
…000110110000010000
32212121101011221002112
4130000012012300100
5443033442342400
621451242404452
72113033641026
oct340006066020
985541157075
1030066371600
1111829756aa1
1259b1200728
132ab2063235
1416531a4716
15bae889835
hex700186c10

30066371600 has 90 divisors (see below), whose sum is σ = 73125651690. Its totient is φ = 11878479360.

The previous prime is 30066371593. The next prime is 30066371623. The reversal of 30066371600 is 617366003.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 216207616 + 29850163984 = 14704^2 + 172772^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32715941 + ... + 32716859.

It is an arithmetic number, because the mean of its divisors is an integer number (812507241).

Almost surely, 230066371600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30066371600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36562825845).

30066371600 is an abundant number, since it is smaller than the sum of its proper divisors (43059280090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30066371600 is an frugal number, since it uses more digits than its factorization.

30066371600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 30066371600 in words is "thirty billion, sixty-six million, three hundred seventy-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 178 200 356 400 445 712 890 919 1424 1780 1838 2225 3560 3676 4450 4595 7120 7352 8900 9190 14704 17800 18380 22975 35600 36760 45950 73520 81791 91900 163582 183800 327164 367600 408955 654328 817910 844561 1308656 1635820 1689122 2044775 3271640 3378244 4089550 4222805 6543280 6756488 8179100 8445610 13512976 16358200 16891220 21114025 32716400 33782440 42228050 67564880 75165929 84456100 150331858 168912200 300663716 337824400 375829645 601327432 751659290 1202654864 1503318580 1879148225 3006637160 3758296450 6013274320 7516592900 15033185800 30066371600