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30068810928 = 24341317277379
BaseRepresentation
bin11100000000001111…
…011010010010110000
32212121112202212020000
4130000033122102300
5443040103422203
621451410550000
72113063450542
oct340017322260
985545685200
1030068810928
1111830072772
1259b1b98300
132ab2708620
14165363b692
15baebbc4a3
hex7003da4b0

30068810928 has 400 divisors, whose sum is σ = 99856421280. Its totient is φ = 8653381632.

The previous prime is 30068810927. The next prime is 30068810929. The reversal of 30068810928 is 82901886003.

It is an interprime number because it is at equal distance from previous prime (30068810927) and next prime (30068810929).

It is not an unprimeable number, because it can be changed into a prime (30068810927) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 79337043 + ... + 79337421.

Almost surely, 230068810928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30068810928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49928210640).

30068810928 is an abundant number, since it is smaller than the sum of its proper divisors (69787610352).

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

30068810928 is a wasteful number, since it uses less digits than its factorization.

30068810928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 30068810928 in words is "thirty billion, sixty-eight million, eight hundred ten thousand, nine hundred twenty-eight".