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2163143401 = 4967435503
BaseRepresentation
bin1000000011101110…
…1111001011101001
312120202100001220021
42000323233023221
513412231042101
6554351400441
7104414262346
oct20073571351
95522301807
102163143401
11a10046721
12504523121
132861c8813
141674057cd
15c9d8b5a1
hex80eef2e9

2163143401 has 4 divisors (see below), whose sum is σ = 2163583872. Its totient is φ = 2162702932.

The previous prime is 2163143363. The next prime is 2163143413. The reversal of 2163143401 is 1043413612.

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 a cyclic number.

It is not a de Polignac number, because 2163143401 - 221 = 2161046249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163143471) 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, 212785 + ... + 222718.

It is an arithmetic number, because the mean of its divisors is an integer number (540895968).

Almost surely, 22163143401 is an apocalyptic number.

It is an amenable number.

2163143401 is a deficient number, since it is larger than the sum of its proper divisors (440471).

2163143401 is an equidigital number, since it uses as much as digits as its factorization.

2163143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440470.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2163143401 is about 46509.6054702682. The cubic root of 2163143401 is about 1293.2875704675.

The spelling of 2163143401 in words is "two billion, one hundred sixty-three million, one hundred forty-three thousand, four hundred one".

Divisors: 1 4967 435503 2163143401