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83486969409 = 364743012349
BaseRepresentation
bin100110111000000110…
…1100000111001000001
321222111100110110210010
41031300031200321001
52331440131010114
6102204155255133
76013612350114
oct1156015407101
9258440413703
1083486969409
1132452243888
121421b74a4a9
137b4668b31c
14407dd0457b
1522896a4c59
hex1370360e41

83486969409 has 8 divisors (see below), whose sum is σ = 111488011200. Its totient is φ = 55571953616.

The previous prime is 83486969351. The next prime is 83486969411. The reversal of 83486969409 is 90496968438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83486969409 - 216 = 83486903873 is a prime.

It is a super-2 number, since 2×834869694092 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83486969409.

It is not an unprimeable number, because it can be changed into a prime (83486962409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21504234 + ... + 21508115.

It is an arithmetic number, because the mean of its divisors is an integer number (13936001400).

Almost surely, 283486969409 is an apocalyptic number.

It is an amenable number.

83486969409 is a deficient number, since it is larger than the sum of its proper divisors (28001041791).

83486969409 is a wasteful number, since it uses less digits than its factorization.

83486969409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43012999.

The product of its (nonzero) digits is 80621568, while the sum is 66.

The spelling of 83486969409 in words is "eighty-three billion, four hundred eighty-six million, nine hundred sixty-nine thousand, four hundred nine".

Divisors: 1 3 647 1941 43012349 129037047 27828989803 83486969409