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30301321200 = 2435225251101
BaseRepresentation
bin11100001110000110…
…010111011111110000
32220012202021121100120
4130032012113133300
5444024114234300
621530434250240
72121615660213
oct341606273760
986182247316
1030301321200
111193a340117
125a57a26980
132b1b936377
14167648377a
15bc52e93a0
hex70e1977f0

30301321200 has 60 divisors (see below), whose sum is σ = 97065236088. Its totient is φ = 8080352000.

The previous prime is 30301321189. The next prime is 30301321223. The reversal of 30301321200 is 212310303.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30301321200.

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 11 ways as a sum of consecutive naturals, for example, 12624351 + ... + 12626750.

Almost surely, 230301321200 is an apocalyptic number.

30301321200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30301321200 is an abundant number, since it is smaller than the sum of its proper divisors (66763914888).

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

30301321200 is a wasteful number, since it uses less digits than its factorization.

30301321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25251122 (or 25251111 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30301321200 its reverse (212310303), we get a palindrome (30513631503).

The spelling of 30301321200 in words is "thirty billion, three hundred one million, three hundred twenty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 25251101 50502202 75753303 101004404 126255505 151506606 202008808 252511010 303013212 378766515 404017616 505022020 606026424 631277525 757533030 1010044040 1212052848 1262555050 1515066060 1893832575 2020088080 2525110100 3030132120 3787665150 5050220200 6060264240 7575330300 10100440400 15150660600 30301321200