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4168420871 = 14927975979
BaseRepresentation
bin1111100001110101…
…0000111000000111
3101202111121201110012
43320131100320013
532014103431441
61525343420435
7205203664346
oct37035207007
911674551405
104168420871
111849a6832a
12983bb471b
135157a0034
142b7875b5d
15195e429eb
hexf8750e07

4168420871 has 4 divisors (see below), whose sum is σ = 4196397000. Its totient is φ = 4140444744.

The previous prime is 4168420831. The next prime is 4168420873. The reversal of 4168420871 is 1780248614.

4168420871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4168420871 - 230 = 3094679047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168420873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13987841 + ... + 13988138.

It is an arithmetic number, because the mean of its divisors is an integer number (1049099250).

Almost surely, 24168420871 is an apocalyptic number.

4168420871 is a deficient number, since it is larger than the sum of its proper divisors (27976129).

4168420871 is a wasteful number, since it uses less digits than its factorization.

4168420871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27976128.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 4168420871 is about 64563.3090152604. The cubic root of 4168420871 is about 1609.3747647474.

The spelling of 4168420871 in words is "four billion, one hundred sixty-eight million, four hundred twenty thousand, eight hundred seventy-one".

Divisors: 1 149 27975979 4168420871