Search a number
-
+
7809334955394 = 2371016318295439
BaseRepresentation
bin111000110100100000010…
…1000101100110110000010
31000122120020222110120210120
41301221000220230312002
52010422004222033034
624335320422241110
71434130412610510
oct161510050546602
930576228416716
107809334955394
112540a13aa2205
12a61602586196
1344855657173b
141cdd8c2854b0
15d82132d3c49
hex71a40a2cd82

7809334955394 has 32 divisors (see below), whose sum is σ = 17851665807360. Its totient is φ = 2231018891472.

The previous prime is 7809334955381. The next prime is 7809334955413. The reversal of 7809334955394 is 4935594339087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8720874 + ... + 9574565.

It is an arithmetic number, because the mean of its divisors is an integer number (557864556480).

Almost surely, 27809334955394 is an apocalyptic number.

7809334955394 is an abundant number, since it is smaller than the sum of its proper divisors (10042330851966).

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

7809334955394 is a wasteful number, since it uses less digits than its factorization.

7809334955394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18305614.

The product of its (nonzero) digits is 440899200, while the sum is 69.

The spelling of 7809334955394 in words is "seven trillion, eight hundred nine billion, three hundred thirty-four million, nine hundred fifty-five thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 10163 20326 30489 60978 71141 142282 213423 426846 18295439 36590878 54886317 109772634 128068073 256136146 384204219 768408438 185936546557 371873093114 557809639671 1115619279342 1301555825899 2603111651798 3904667477697 7809334955394