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30894010560 = 2632572336577
BaseRepresentation
bin11100110001011011…
…010011000011000000
32221202001112100022100
4130301123103003000
51001232331314220
622105325510400
72142403520430
oct346133230300
987661470270
1030894010560
1112113955436
125ba2412400
132bb467252a
1416d10862c0
15c0c370d90
hex7316d30c0

30894010560 has 336 divisors, whose sum is σ = 121982642496. Its totient is φ = 7030112256.

The previous prime is 30894010549. The next prime is 30894010577. The reversal of 30894010560 is 6501049803.

30894010560 is a `hidden beast` number, since 3 + 0 + 8 + 94 + 0 + 1 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4693992 + ... + 4700568.

Almost surely, 230894010560 is an apocalyptic number.

30894010560 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 30894010560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60991321248).

30894010560 is an abundant number, since it is smaller than the sum of its proper divisors (91088631936).

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

30894010560 is a wasteful number, since it uses less digits than its factorization.

30894010560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840 (or 6827 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 30894010560 in words is "thirty billion, eight hundred ninety-four million, ten thousand, five hundred sixty".