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4244160081 = 37461438401
BaseRepresentation
bin1111110011111000…
…1011111001010001
3101221210010200010010
43330332023321101
532143001110311
61541051025133
7210113523360
oct37476137121
911853120103
104244160081
111888799317
129a543b1a9
1352839ac35
142c394d7d7
1519c903da6
hexfcf8be51

4244160081 has 16 divisors (see below), whose sum is σ = 6481335168. Its totient is φ = 2419968000.

The previous prime is 4244160079. The next prime is 4244160101. The reversal of 4244160081 is 1800614424.

It is not a de Polignac number, because 4244160081 - 21 = 4244160079 is a prime.

It is a super-2 number, since 2×42441600812 = 36025789586307853122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4244160001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209520 + ... + 228881.

It is an arithmetic number, because the mean of its divisors is an integer number (405083448).

Almost surely, 24244160081 is an apocalyptic number.

It is an amenable number.

4244160081 is a deficient number, since it is larger than the sum of its proper divisors (2237175087).

4244160081 is a wasteful number, since it uses less digits than its factorization.

4244160081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438872.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 4244160081 is about 65147.2185208240. The cubic root of 4244160081 is about 1619.0636362196.

The spelling of 4244160081 in words is "four billion, two hundred forty-four million, one hundred sixty thousand, eighty-one".

Divisors: 1 3 7 21 461 1383 3227 9681 438401 1315203 3068807 9206421 202102861 606308583 1414720027 4244160081