Search a number
-
+
321111421130 = 25131032450671
BaseRepresentation
bin1001010110000111011…
…10110111000011001010
31010200211210210100011102
410223003232313003022
520230114010434010
6403303324101402
732125304021153
oct4530356670312
91120753710142
10321111421130
11114201031485
1252297694862
1324385855886
1411782c9a92a
158545cb9ba5
hex4ac3bb70ca

321111421130 has 16 divisors (see below), whose sum is σ = 578044905984. Its totient is φ = 128434713360.

The previous prime is 321111421129. The next prime is 321111421177. The reversal of 321111421130 is 31124111123.

It is a super-2 number, since 2×3211114211302 (a number of 24 digits) contains 22 as substring.

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, 1094306 + ... + 1356365.

It is an arithmetic number, because the mean of its divisors is an integer number (36127806624).

Almost surely, 2321111421130 is an apocalyptic number.

321111421130 is a deficient number, since it is larger than the sum of its proper divisors (256933484854).

321111421130 is a wasteful number, since it uses less digits than its factorization.

321111421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463781.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 321111421130 its reverse (31124111123), we get a palindrome (352235532253).

The spelling of 321111421130 in words is "three hundred twenty-one billion, one hundred eleven million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 13103 26206 65515 131030 2450671 4901342 12253355 24506710 32111142113 64222284226 160555710565 321111421130