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30020003200 = 2752112314161
BaseRepresentation
bin11011111101010101…
…001110010110000000
32212111010221011121101
4123331111032112000
5442440110100300
621442504504144
72111631550135
oct337525162600
985433834541
1030020003200
1111805566800
12599977b054
132aa5579b05
14164ad7458c
15baa77ab6a
hex6fd54e580

30020003200 has 576 divisors, whose sum is σ = 87608142720. Its totient is φ = 10137600000.

The previous prime is 30020003177. The next prime is 30020003203. The reversal of 30020003200 is 230002003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020003203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 492131170 + ... + 492131230.

It is an arithmetic number, because the mean of its divisors is an integer number (152097470).

Almost surely, 230020003200 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 30020003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43804071360).

30020003200 is an abundant number, since it is smaller than the sum of its proper divisors (57588139520).

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

30020003200 is a wasteful number, since it uses less digits than its factorization.

30020003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

Adding to 30020003200 its reverse (230002003), we get a palindrome (30250005203).

The spelling of 30020003200 in words is "thirty billion, twenty million, three thousand, two hundred".