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230166163 = 809284507
BaseRepresentation
bin11011011100000…
…00111010010011
3121001002122121201
431232000322103
5432410304123
634501132031
75463244243
oct1556007223
9531078551
10230166163
11108a17277
12650ba017
13388b9ac6
14227d5b23
15153175ad
hexdb80e93

230166163 has 4 divisors (see below), whose sum is σ = 230451480. Its totient is φ = 229880848.

The previous prime is 230166137. The next prime is 230166187. The reversal of 230166163 is 361661032.

230166163 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 230166163 - 221 = 228069011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230166463) 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, 141445 + ... + 143062.

It is an arithmetic number, because the mean of its divisors is an integer number (57612870).

Almost surely, 2230166163 is an apocalyptic number.

230166163 is a deficient number, since it is larger than the sum of its proper divisors (285317).

230166163 is an equidigital number, since it uses as much as digits as its factorization.

230166163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285316.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 230166163 is about 15171.2281309062. The cubic root of 230166163 is about 612.8400781435.

The spelling of 230166163 in words is "two hundred thirty million, one hundred sixty-six thousand, one hundred sixty-three".

Divisors: 1 809 284507 230166163