Search a number
-
+
2002123313 = 31388916607
BaseRepresentation
bin111011101010101…
…1111101000110001
312011112100101212022
41313111133220301
513100020421223
6530400241225
7100420524131
oct16725375061
95145311768
102002123313
11938167973
1247a610215
1325ba3b968
1414dc8cac1
15bab81ac8
hex7755fa31

2002123313 has 8 divisors (see below), whose sum is σ = 2067363840. Its totient is φ = 1936923840.

The previous prime is 2002123267. The next prime is 2002123351. The reversal of 2002123313 is 3133212002.

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 2002123313 - 222 = 1997929009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002123291 and 2002123300.

It is not an unprimeable number, because it can be changed into a prime (2002123393) 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, 112256 + ... + 128862.

It is an arithmetic number, because the mean of its divisors is an integer number (258420480).

Almost surely, 22002123313 is an apocalyptic number.

It is an amenable number.

2002123313 is a deficient number, since it is larger than the sum of its proper divisors (65240527).

2002123313 is a wasteful number, since it uses less digits than its factorization.

2002123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20527.

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

The square root of 2002123313 is about 44745.0926136040. The cubic root of 2002123313 is about 1260.3667599924.

Adding to 2002123313 its reverse (3133212002), we get a palindrome (5135335315).

It can be divided in two parts, 20021 and 23313, that added together give a palindrome (43334).

The spelling of 2002123313 in words is "two billion, two million, one hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 31 3889 16607 120559 514817 64584623 2002123313