Search a number
-
+
21230322013009 = 53599668734747
BaseRepresentation
bin1001101001111000100011…
…10011010101001101010001
32210011121011122101110211001
410310330101303111031101
510240314144413404014
6113053024132422001
74320561112415134
oct464742163251521
983147148343731
1021230322013009
11684580233730a
12246a6b3a77901
13bb001a89b075
145357a589421b
1526c3b1aa6974
hex134f11cd5351

21230322013009 has 8 divisors (see below), whose sum is σ = 21667005835200. Its totient is φ = 20794975661616.

The previous prime is 21230322012931. The next prime is 21230322013031. The reversal of 21230322013009 is 90031022303212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21230322013009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230322013079) 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, 334335627 + ... + 334399120.

It is an arithmetic number, because the mean of its divisors is an integer number (2708375729400).

Almost surely, 221230322013009 is an apocalyptic number.

It is an amenable number.

21230322013009 is a deficient number, since it is larger than the sum of its proper divisors (436683822191).

21230322013009 is an equidigital number, since it uses as much as digits as its factorization.

21230322013009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668735399.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 21230322013009 in words is "twenty-one trillion, two hundred thirty billion, three hundred twenty-two million, thirteen thousand, nine".

Divisors: 1 53 599 31747 668734747 35442941591 400572113453 21230322013009