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30525830400 = 2835213122299
BaseRepresentation
bin11100011011011110…
…110011010100000000
32220210101201212002010
4130123132303110000
51000004103033100
622005014252520
72130313164042
oct343336632400
986711655063
1030525830400
1111a4504320a
125abb057140
132b562c2350
141698205a92
15bd9d95750
hex71b7b3500

30525830400 has 216 divisors, whose sum is σ = 108491840800. Its totient is φ = 7513989120.

The previous prime is 30525830399. The next prime is 30525830431. The reversal of 30525830400 is 403852503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188451 + ... + 310749.

Almost surely, 230525830400 is an apocalyptic number.

30525830400 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 30525830400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54245920400).

30525830400 is an abundant number, since it is smaller than the sum of its proper divisors (77966010400).

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

30525830400 is a wasteful number, since it uses less digits than its factorization.

30525830400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122341 (or 122322 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 30525830400 in words is "thirty billion, five hundred twenty-five million, eight hundred thirty thousand, four hundred".