Search a number
-
+
21330202200013 = 73047171742859
BaseRepresentation
bin1001101100110010100110…
…01000000000011111001101
32210112010222110120200112101
410312121103020000133031
510243433223230400023
6113210543135435101
74331025203121460
oct466312310003715
983463873520471
1021330202200013
1168840a7079103
122485b29685a91
13bb957761aa35
1453a55ca472d7
1526ecaa5261ad
hex1366532007cd

21330202200013 has 4 divisors (see below), whose sum is σ = 24377373942880. Its totient is φ = 18283030457148.

The previous prime is 21330202200001. The next prime is 21330202200023. The reversal of 21330202200013 is 31000220203312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21330202200013 - 217 = 21330202068941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330202200023) 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, 1523585871423 + ... + 1523585871436.

It is an arithmetic number, because the mean of its divisors is an integer number (6094343485720).

Almost surely, 221330202200013 is an apocalyptic number.

It is an amenable number.

21330202200013 is a deficient number, since it is larger than the sum of its proper divisors (3047171742867).

21330202200013 is an equidigital number, since it uses as much as digits as its factorization.

21330202200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047171742866.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21330202200013 its reverse (31000220203312), we get a palindrome (52330422403325).

The spelling of 21330202200013 in words is "twenty-one trillion, three hundred thirty billion, two hundred two million, two hundred thousand, thirteen".

Divisors: 1 7 3047171742859 21330202200013