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230146163 = 13137129223
BaseRepresentation
bin11011011011111…
…00000001110011
3121001001122011222
431231330001303
5432404134123
634500455255
75463132032
oct1555740163
9531048158
10230146163
11108a03245
12650aa52b
13388b0980
14227cc719
15153116c8
hexdb7c073

230146163 has 8 divisors (see below), whose sum is σ = 249660768. Its totient is φ = 210890304.

The previous prime is 230146159. The next prime is 230146181. The reversal of 230146163 is 361641032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230146163 - 22 = 230146159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230146123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62831 + ... + 66392.

It is an arithmetic number, because the mean of its divisors is an integer number (31207596).

Almost surely, 2230146163 is an apocalyptic number.

230146163 is a deficient number, since it is larger than the sum of its proper divisors (19514605).

230146163 is a wasteful number, since it uses less digits than its factorization.

230146163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129373.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 230146163 is about 15170.5689741684. The cubic root of 230146163 is about 612.8223269727.

Adding to 230146163 its reverse (361641032), we get a palindrome (591787195).

The spelling of 230146163 in words is "two hundred thirty million, one hundred forty-six thousand, one hundred sixty-three".

Divisors: 1 13 137 1781 129223 1679899 17703551 230146163