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5545185156 = 2236721972
BaseRepresentation
bin1010010101000010…
…01100111110000100
3112022110020121000000
411022201030332010
542324031411111
62314124321300
7254262203400
oct51241147604
915273217000
105545185156
112396126755
1210a90a3230
136a4aa4664
143a865a100
15226c47c56
hex14a84cf84

5545185156 has 189 divisors, whose sum is σ = 17011225749. Its totient is φ = 1576296288.

The previous prime is 5545185133. The next prime is 5545185167. The reversal of 5545185156 is 6515815455.

The square root of 5545185156 is 74466.

It is a perfect power (a square), and thus also a powerful number.

5545185156 is a `hidden beast` number, since 5 + 545 + 1 + 8 + 51 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5433164100 + 112021056 = 73710^2 + 10584^2 .

It is a tau number, because it is divible by the number of its divisors (189).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 28148050 + ... + 28148246.

Almost surely, 25545185156 is an apocalyptic number.

5545185156 is the 74466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5545185156

5545185156 is an abundant number, since it is smaller than the sum of its proper divisors (11466040593).

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

5545185156 is an equidigital number, since it uses as much as digits as its factorization.

5545185156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 209 counting only the distinct ones).

The product of its digits is 600000, while the sum is 45.

The cubic root of 5545185156 is about 1769.9949094941.

The spelling of 5545185156 in words is "five billion, five hundred forty-five million, one hundred eighty-five thousand, one hundred fifty-six".