Search a number
-
+
2213321321320 = 23559699926867
BaseRepresentation
bin100000001101010100001…
…110110010101101101000
321211120222011112202220121
4200031110032302231220
5242230340224240240
64412441421133024
7315623110550404
oct40152416625550
97746864482817
102213321321320
1178373420394a
122b8b589ba174
1313093b6a99a5
14791a7c60104
153c890bc504a
hex203543b2b68

2213321321320 has 32 divisors (see below), whose sum is σ = 4980061764000. Its totient is φ = 885312743488.

The previous prime is 2213321321311. The next prime is 2213321321339. The reversal of 2213321321320 is 231231233122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924527 + ... + 2851393.

It is an arithmetic number, because the mean of its divisors is an integer number (155626930125).

Almost surely, 22213321321320 is an apocalyptic number.

2213321321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213321321320 is an abundant number, since it is smaller than the sum of its proper divisors (2766740442680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213321321320 is a wasteful number, since it uses less digits than its factorization.

2213321321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986577 (or 986573 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2213321321320 its reverse (231231233122), we get a palindrome (2444552554442).

The spelling of 2213321321320 in words is "two trillion, two hundred thirteen billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 59699 119398 238796 298495 477592 596990 926867 1193980 1853734 2387960 3707468 4634335 7414936 9268670 18537340 37074680 55333033033 110666066066 221332132132 276665165165 442664264264 553330330330 1106660660660 2213321321320