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2164679071 = 1727490239
BaseRepresentation
bin1000000100000110…
…0110000110011111
312120212020002102221
42001001212012133
513413124212241
6554444330211
7104433316462
oct20101460637
95525202387
102164679071
11a109a5475
12504b43967
132866157b9
141676c52d9
15ca0915d1
hex8106619f

2164679071 has 6 divisors (see below), whose sum is σ = 2299503680. Its totient is φ = 2037344736.

The previous prime is 2164679057. The next prime is 2164679087. The reversal of 2164679071 is 1709764612.

It is not a de Polignac number, because 2164679071 - 229 = 1627808159 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 (2164679021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3744831 + ... + 3745408.

Almost surely, 22164679071 is an apocalyptic number.

2164679071 is a deficient number, since it is larger than the sum of its proper divisors (134824609).

2164679071 is an equidigital number, since it uses as much as digits as its factorization.

2164679071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490273 (or 7490256 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 2164679071 is about 46526.1117115970. Note that the first 3 decimals coincide. The cubic root of 2164679071 is about 1293.5935438829.

The spelling of 2164679071 in words is "two billion, one hundred sixty-four million, six hundred seventy-nine thousand, seventy-one".

Divisors: 1 17 289 7490239 127334063 2164679071