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1321213130132 = 2273962983331
BaseRepresentation
bin10011001110011110011…
…100000111010110010100
311200022021121121010011112
4103032132130013112110
5133121321030131012
62450542410354152
7164311615211000
oct23163634072624
94608247533145
101321213130132
1146a3614058a5
1219408772b958
1397788c12a4c
1447d38a1b700
152457b422122
hex1339e707594

1321213130132 has 24 divisors (see below), whose sum is σ = 2696353329600. Its totient is φ = 566234198040.

The previous prime is 1321213130057. The next prime is 1321213130203. The reversal of 1321213130132 is 2310313121231.

It is a junction number, because it is equal to n+sod(n) for n = 1321213130098 and 1321213130107.

It is a congruent number.

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, 481490294 + ... + 481493037.

It is an arithmetic number, because the mean of its divisors is an integer number (112348055400).

Almost surely, 21321213130132 is an apocalyptic number.

It is an amenable number.

1321213130132 is an abundant number, since it is smaller than the sum of its proper divisors (1375140199468).

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

1321213130132 is an equidigital number, since it uses as much as digits as its factorization.

1321213130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962983356 (or 962983340 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1321213130132 its reverse (2310313121231), we get a palindrome (3631526251363).

The spelling of 1321213130132 in words is "one trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 962983331 1925966662 3851933324 6740883317 13481766634 26963533268 47186183219 94372366438 188744732876 330303282533 660606565066 1321213130132