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2169350713169 = 20891038463721
BaseRepresentation
bin11111100100010111011…
…000001110111101010001
321200101110210002102222222
4133210113120032331101
5241020312240310134
64340330322310425
7312505350546503
oct37442730167521
97611423072888
102169350713169
1176701aa17172
122b05271b8415
13129751b26c63
1476dd61cdd73
153b66a821a2e
hex1f91760ef51

2169350713169 has 4 divisors (see below), whose sum is σ = 2170389178980. Its totient is φ = 2168312247360.

The previous prime is 2169350713147. The next prime is 2169350713171. The reversal of 2169350713169 is 9613170539612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1752406726225 + 416943986944 = 1323785^2 + 645712^2 .

It is a cyclic number.

It is not a de Polignac number, because 2169350713169 - 220 = 2169349664593 is a prime.

It is a super-2 number, since 2×21693507131692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2169350713169.

It is not an unprimeable number, because it can be changed into a prime (2169350713199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519229772 + ... + 519233949.

It is an arithmetic number, because the mean of its divisors is an integer number (542597294745).

Almost surely, 22169350713169 is an apocalyptic number.

It is an amenable number.

2169350713169 is a deficient number, since it is larger than the sum of its proper divisors (1038465811).

2169350713169 is a wasteful number, since it uses less digits than its factorization.

2169350713169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038465810.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 2169350713169 in words is "two trillion, one hundred sixty-nine billion, three hundred fifty million, seven hundred thirteen thousand, one hundred sixty-nine".

Divisors: 1 2089 1038463721 2169350713169