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30121130200 = 23527374313523
BaseRepresentation
bin11100000011010110…
…111111100011011000
32212202012012221202211
4130003112333203120
5443142002131300
621500520204504
72114300245060
oct340326774330
985665187684
1030121130200
1111857657a37
125a07609734
132ac04c6585
14165a57a3a0
15bb45a44ba
hex7035bf8d8

30121130200 has 192 divisors, whose sum is σ = 84117116160. Its totient is φ = 9813726720.

The previous prime is 30121130197. The next prime is 30121130261. The reversal of 30121130200 is 203112103.

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 47 ways as a sum of consecutive naturals, for example, 2220639 + ... + 2234161.

It is an arithmetic number, because the mean of its divisors is an integer number (438109980).

Almost surely, 230121130200 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 30121130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42058558080).

30121130200 is an abundant number, since it is smaller than the sum of its proper divisors (53995985960).

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

30121130200 is a wasteful number, since it uses less digits than its factorization.

30121130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626 (or 13617 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30121130200 its reverse (203112103), we get a palindrome (30324242303).

The spelling of 30121130200 in words is "thirty billion, one hundred twenty-one million, one hundred thirty thousand, two hundred".