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1005016161 = 3335005387
BaseRepresentation
bin111011111001110…
…101010001100001
32121001010002222210
4323321311101201
54024241004121
6243420552333
733622332162
oct7371652141
92531102883
101005016161
1147633a576
122406b26a9
131302a5426
1497695769
155d372876
hex3be75461

1005016161 has 4 divisors (see below), whose sum is σ = 1340021552. Its totient is φ = 670010772.

The previous prime is 1005016099. The next prime is 1005016169. The reversal of 1005016161 is 1616105001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1005016161 - 214 = 1004999777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005016169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167502691 + ... + 167502696.

It is an arithmetic number, because the mean of its divisors is an integer number (335005388).

Almost surely, 21005016161 is an apocalyptic number.

It is an amenable number.

1005016161 is a deficient number, since it is larger than the sum of its proper divisors (335005391).

1005016161 is an equidigital number, since it uses as much as digits as its factorization.

1005016161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335005390.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1005016161 is about 31701.9898586824. The cubic root of 1005016161 is about 1001.6692656684.

The spelling of 1005016161 in words is "one billion, five million, sixteen thousand, one hundred sixty-one".

Divisors: 1 3 335005387 1005016161