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30275071200 = 253252112193159
BaseRepresentation
bin11100001100100010…
…001110110011100000
32220010220212222010100
4130030202032303200
5444000404234300
621524055502400
72121146600463
oct341442166340
986126788110
1030275071200
1111926541100
125a4b087a00
132b1637521a
141672bad2da
15bc2d61700
hex70c88ece0

30275071200 has 1296 divisors, whose sum is σ = 129666700800. Its totient is φ = 6614784000.

The previous prime is 30275071187. The next prime is 30275071201. The reversal of 30275071200 is 217057203.

30275071200 is a `hidden beast` number, since 30 + 2 + 7 + 507 + 120 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30275071201) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 513136771 + ... + 513136829.

Almost surely, 230275071200 is an apocalyptic number.

30275071200 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 30275071200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64833350400).

30275071200 is an abundant number, since it is smaller than the sum of its proper divisors (99391629600).

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

30275071200 is a wasteful number, since it uses less digits than its factorization.

30275071200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The spelling of 30275071200 in words is "thirty billion, two hundred seventy-five million, seventy-one thousand, two hundred".