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230030012200 = 23521150150061
BaseRepresentation
bin1101011000111011011…
…0110110111100101000
3210222202012001100212111
43112032312312330220
512232100140342300
6253401353252104
722422233561662
oct3261666667450
9728665040774
10230030012200
1189611a438aa
12386b8704034
13188cb991971
14b1c24dd532
155eb4a2a9ba
hex358edb6f28

230030012200 has 24 divisors (see below), whose sum is σ = 534819778830. Its totient is φ = 92012004800.

The previous prime is 230030012197. The next prime is 230030012203. The reversal of 230030012200 is 2210030032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230030012197) and next prime (230030012203).

It can be written as a sum of positive squares in 3 ways, for example, as 175659897924 + 54370114276 = 419118^2 + 233174^2 .

It is not an unprimeable number, because it can be changed into a prime (230030012203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575074831 + ... + 575075230.

Almost surely, 2230030012200 is an apocalyptic number.

230030012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230030012200 is an abundant number, since it is smaller than the sum of its proper divisors (304789766630).

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

230030012200 is a wasteful number, since it uses less digits than its factorization.

230030012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150150077 (or 1150150068 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 230030012200 its reverse (2210030032), we get a palindrome (232240042232).

The spelling of 230030012200 in words is "two hundred thirty billion, thirty million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1150150061 2300300122 4600600244 5750750305 9201200488 11501500610 23003001220 28753751525 46006002440 57507503050 115015006100 230030012200