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69443104241 = 727877179917
BaseRepresentation
bin100000010101100100…
…0011010110111110001
320122020121110012111202
41000223020122313301
52114204413313431
651522434420545
75005602434600
oct1005310326761
9218217405452
1069443104241
11274a5905045
1211560431755
136718c61534
14350aa8da37
151c167a98cb
hex102b21adf1

69443104241 has 12 divisors (see below), whose sum is σ = 80791458228. Its totient is φ = 59514773472.

The previous prime is 69443104231. The next prime is 69443104307. The reversal of 69443104241 is 14240134496.

It can be written as a sum of positive squares in 2 ways, for example, as 37792915216 + 31650189025 = 194404^2 + 177905^2 .

It is not a de Polignac number, because 69443104241 - 218 = 69442842097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69443104195 and 69443104204.

It is not an unprimeable number, because it can be changed into a prime (69443104201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 296015 + ... + 475931.

It is an arithmetic number, because the mean of its divisors is an integer number (6732621519).

Almost surely, 269443104241 is an apocalyptic number.

It is an amenable number.

69443104241 is a deficient number, since it is larger than the sum of its proper divisors (11348353987).

69443104241 is a wasteful number, since it uses less digits than its factorization.

69443104241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187808 (or 187801 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 69443104241 in words is "sixty-nine billion, four hundred forty-three million, one hundred four thousand, two hundred forty-one".

Divisors: 1 7 49 7877 55139 179917 385973 1259419 8815933 1417206209 9920443463 69443104241