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5165378208 = 253347131971
BaseRepresentation
bin1001100111110000…
…10110101010100000
3111022222120101211000
410303320112222200
541034314100313
62212315552000
7242000663454
oct46370265240
914288511730
105165378208
1122107a3111
121001a5b600
136441b3313
14370030664
15203722673
hex133e16aa0

5165378208 has 192 divisors, whose sum is σ = 15519651840. Its totient is φ = 1670572800.

The previous prime is 5165378177. The next prime is 5165378221. The reversal of 5165378208 is 8028735615.

5165378208 is a `hidden beast` number, since 516 + 53 + 7 + 82 + 0 + 8 = 666.

It is a super-2 number, since 2×51653782082 = 53362264063362582528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5319163 + ... + 5320133.

It is an arithmetic number, because the mean of its divisors is an integer number (80831520).

Almost surely, 25165378208 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 5165378208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7759825920).

5165378208 is an abundant number, since it is smaller than the sum of its proper divisors (10354273632).

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

5165378208 is a wasteful number, since it uses less digits than its factorization.

5165378208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 5165378208 is about 71870.5656579938. The cubic root of 5165378208 is about 1728.6246776991.

The spelling of 5165378208 in words is "five billion, one hundred sixty-five million, three hundred seventy-eight thousand, two hundred eight".