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4220875161 = 32523896723
BaseRepresentation
bin1111101110010101…
…0111000110011001
3101220011022200012200
43323211113012121
532121021001121
61534500000413
7206411563326
oct37345270631
911804280180
104220875161
111876634a88
12999690109
13523607589
142c080bb4d
1519a854a26
hexfb957199

4220875161 has 12 divisors (see below), whose sum is σ = 6108483888. Its totient is φ = 2808533304.

The previous prime is 4220875133. The next prime is 4220875181. The reversal of 4220875161 is 1615780224.

4220875161 is a `hidden beast` number, since 42 + 20 + 87 + 516 + 1 = 666.

It is not a de Polignac number, because 4220875161 - 26 = 4220875097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220875181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443655 + ... + 453068.

It is an arithmetic number, because the mean of its divisors is an integer number (509040324).

Almost surely, 24220875161 is an apocalyptic number.

It is an amenable number.

4220875161 is a deficient number, since it is larger than the sum of its proper divisors (1887608727).

4220875161 is a wasteful number, since it uses less digits than its factorization.

4220875161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897252 (or 897249 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 4220875161 is about 64968.2627211164. The cubic root of 4220875161 is about 1616.0972917164.

The spelling of 4220875161 in words is "four billion, two hundred twenty million, eight hundred seventy-five thousand, one hundred sixty-one".

Divisors: 1 3 9 523 1569 4707 896723 2690169 8070507 468986129 1406958387 4220875161