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30925939200 = 2935213411511
BaseRepresentation
bin11100110011010101…
…000110001000000000
32221211021121111011120
4130303111012020000
51001314020023300
622112430112240
72143242101022
oct346325061000
987737544146
1030925939200
111212a982942
125bb104b680
132bbb171310
1416d53d8012
15c1007b3a0
hex733546200

30925939200 has 480 divisors, whose sum is σ = 112778531712. Its totient is φ = 7421952000.

The previous prime is 30925939153. The next prime is 30925939201. The reversal of 30925939200 is 293952903.

It is a tau number, because it is divible by the number of its divisors (480).

It is not an unprimeable number, because it can be changed into a prime (30925939201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20466445 + ... + 20467955.

Almost surely, 230925939200 is an apocalyptic number.

30925939200 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 30925939200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56389265856).

30925939200 is an abundant number, since it is smaller than the sum of its proper divisors (81852592512).

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

30925939200 is a wasteful number, since it uses less digits than its factorization.

30925939200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The spelling of 30925939200 in words is "thirty billion, nine hundred twenty-five million, nine hundred thirty-nine thousand, two hundred".