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30885792000 = 283537194159
BaseRepresentation
bin11100110000111011…
…111100100100000000
32221201111001210120020
4130300323330210000
51001223230321000
622104433413440
72142243620550
oct346073744400
987644053506
1030885792000
111210a251738
125b9b70a280
132bb2a5578b
1416cdd47160
15c0b79aba0
hex730efc900

30885792000 has 1152 divisors, whose sum is σ = 128565964800. Its totient is φ = 6414336000.

The previous prime is 30885791987. The next prime is 30885792013. The reversal of 30885792000 is 29758803.

It is an interprime number because it is at equal distance from previous prime (30885791987) and next prime (30885792013).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 523487971 + ... + 523488029.

It is an arithmetic number, because the mean of its divisors is an integer number (111602400).

Almost surely, 230885792000 is an apocalyptic number.

30885792000 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 30885792000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64282982400).

30885792000 is an abundant number, since it is smaller than the sum of its proper divisors (97680172800).

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

30885792000 is a wasteful number, since it uses less digits than its factorization.

30885792000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 30885792000 in words is "thirty billion, eight hundred eighty-five million, seven hundred ninety-two thousand".