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230613013 = 1934573511
BaseRepresentation
bin11011011111011…
…10000000010101
3121001221100120201
431233232000111
5433014104023
634514500501
75500115101
oct1557560025
9531840521
10230613013
111091a1a74
1265294731
1338a15307
14228b0901
15153a4bad
hexdbee015

230613013 has 8 divisors (see below), whose sum is σ = 242889920. Its totient is φ = 218350080.

The previous prime is 230612989. The next prime is 230613029. The reversal of 230613013 is 310316032.

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 230613013 - 217 = 230481941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230613073) 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, 63928 + ... + 67438.

It is an arithmetic number, because the mean of its divisors is an integer number (30361240).

Almost surely, 2230613013 is an apocalyptic number.

It is an amenable number.

230613013 is a deficient number, since it is larger than the sum of its proper divisors (12276907).

230613013 is a wasteful number, since it uses less digits than its factorization.

230613013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 230613013 is about 15185.9478795365. The cubic root of 230613013 is about 613.2364158127.

Adding to 230613013 its reverse (310316032), we get a palindrome (540929045).

The spelling of 230613013 in words is "two hundred thirty million, six hundred thirteen thousand, thirteen".

Divisors: 1 19 3457 3511 65683 66709 12137527 230613013