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1320873984235 = 51331469645751
BaseRepresentation
bin10011001110001010001…
…110011000000011101011
311200021101222102201110101
4103032022032120003223
5133120122214443420
62450445013330231
7164300326421311
oct23161216300353
94607358381411
101320873984235
1146a1a7a24533
12193bb2036977
139773388a0c0
1447d059780b1
152455b77e60a
hex1338a3980eb

1320873984235 has 16 divisors (see below), whose sum is σ = 1707032496960. Its totient is φ = 975382128000.

The previous prime is 1320873984217. The next prime is 1320873984247. The reversal of 1320873984235 is 5324893780231.

It is a de Polignac number, because none of the positive numbers 2k-1320873984235 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722610 + ... + 2368360.

It is an arithmetic number, because the mean of its divisors is an integer number (106689531060).

Almost surely, 21320873984235 is an apocalyptic number.

1320873984235 is a deficient number, since it is larger than the sum of its proper divisors (386158512725).

1320873984235 is a wasteful number, since it uses less digits than its factorization.

1320873984235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677238.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1320873984235 in words is "one trillion, three hundred twenty billion, eight hundred seventy-three million, nine hundred eighty-four thousand, two hundred thirty-five".

Divisors: 1 5 13 65 31469 157345 409097 645751 2045485 3228755 8394763 41973815 20321138219 101605691095 264174796847 1320873984235