Search a number
-
+
230120320013 = 5926871451561
BaseRepresentation
bin1101011001010000111…
…1010110110000001101
3210222222110222110220022
43112110033112300031
512232241300220023
6253414341031525
722424411306033
oct3262417266015
9728873873808
10230120320013
1189658a15461
12387229b55a5
13189145c0a3c
14b1d04ca553
155ebc9187c8
hex35943d6c0d

230120320013 has 8 divisors (see below), whose sum is σ = 234107919360. Its totient is φ = 226135629280.

The previous prime is 230120319973. The next prime is 230120320039. The reversal of 230120320013 is 310023021032.

230120320013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 230120320013 - 28 = 230120319757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230120319973 and 230120320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120350013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567248 + ... + 884313.

It is an arithmetic number, because the mean of its divisors is an integer number (29263489920).

Almost surely, 2230120320013 is an apocalyptic number.

It is an amenable number.

230120320013 is a deficient number, since it is larger than the sum of its proper divisors (3987599347).

230120320013 is a wasteful number, since it uses less digits than its factorization.

230120320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454307.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 230120320013 its reverse (310023021032), we get a palindrome (540143341045).

The spelling of 230120320013 in words is "two hundred thirty billion, one hundred twenty million, three hundred twenty thousand, thirteen".

Divisors: 1 59 2687 158533 1451561 85642099 3900344407 230120320013