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5030449920 = 28385599
BaseRepresentation
bin1001010111101011…
…01001001100000000
3110222120200100000000
410223311221030000
540300243344140
62151100000000
7235442055516
oct45365511400
913876610000
105030449920
112151615531
12b84830000
136222605b2
1435a14a4b6
151e696da30
hex12bd69300

5030449920 has 324 divisors, whose sum is σ = 18103503600. Its totient is φ = 1339213824.

The previous prime is 5030449891. The next prime is 5030449927. The reversal of 5030449920 is 299440305.

5030449920 is a `hidden beast` number, since 503 + 0 + 44 + 99 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (324).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5030449927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8397781 + ... + 8398379.

Almost surely, 25030449920 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 5030449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9051751800).

5030449920 is an abundant number, since it is smaller than the sum of its proper divisors (13073053680).

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

5030449920 is an frugal number, since it uses more digits than its factorization.

5030449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 5030449920 is about 70925.6647483829. The cubic root of 5030449920 is about 1713.4401658703.

The spelling of 5030449920 in words is "five billion, thirty million, four hundred forty-nine thousand, nine hundred twenty".