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30248134560 = 25375753233
BaseRepresentation
bin11100001010111011…
…011110011110100000
32220002001012110000000
4130022323132132200
5443422010301220
621521254300000
72120401621140
oct341273363640
986061173000
1030248134560
1111912313216
125a42057600
132b10903697
14166d39a920
15bc07e0390
hex70aede7a0

30248134560 has 768 divisors, whose sum is σ = 125332945920. Its totient is φ = 6754295808.

The previous prime is 30248134549. The next prime is 30248134571. The reversal of 30248134560 is 6543184203.

30248134560 is a `hidden beast` number, since 302 + 4 + 8 + 1 + 345 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30248134549) and next prime (30248134571).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 127 ways as a sum of consecutive naturals, for example, 129820204 + ... + 129820436.

It is an arithmetic number, because the mean of its divisors is an integer number (163193940).

Almost surely, 230248134560 is an apocalyptic number.

30248134560 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 30248134560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62666472960).

30248134560 is an abundant number, since it is smaller than the sum of its proper divisors (95084811360).

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

30248134560 is an equidigital number, since it uses as much as digits as its factorization.

30248134560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 30248134560 in words is "thirty billion, two hundred forty-eight million, one hundred thirty-four thousand, five hundred sixty".