Search a number
-
+
321103110030 = 23512918290811
BaseRepresentation
bin1001010110000110011…
…11001001111110001110
31010200211020011002110220
410223003033021332032
520230104344010110
6403302430012210
732125143254433
oct4530317117616
91120736132426
10321103110030
111141a73751aa
1252294947066
1324383c05971
1411781b35b8a
1585451c7370
hex4ac33c9f8e

321103110030 has 32 divisors (see below), whose sum is σ = 771244495488. Its totient is φ = 85561159200.

The previous prime is 321103110019. The next prime is 321103110043. The reversal of 321103110030 is 30011301123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 321103109991 and 321103110009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4106676 + ... + 4184135.

It is an arithmetic number, because the mean of its divisors is an integer number (24101390484).

Almost surely, 2321103110030 is an apocalyptic number.

321103110030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321103110030 is an abundant number, since it is smaller than the sum of its proper divisors (450141385458).

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

321103110030 is a wasteful number, since it uses less digits than its factorization.

321103110030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292112.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 321103110030 its reverse (30011301123), we get a palindrome (351114411153).

The spelling of 321103110030 in words is "three hundred twenty-one billion, one hundred three million, one hundred ten thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1291 2582 3873 6455 7746 12910 19365 38730 8290811 16581622 24872433 41454055 49744866 82908110 124362165 248724330 10703437001 21406874002 32110311003 53517185005 64220622006 107034370010 160551555015 321103110030