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6896624180069 = 1333139109777
BaseRepresentation
bin110010001011011111011…
…0101011001101101100101
3220102022101121010012202202
41210112332311121231211
51400443241242230234
622400133154544245
71311156530203121
oct144267665315545
926368347105682
106896624180069
112219929611818
12934741598085
133b046c60b000
1419bb26b00581
15be5e4e3677e
hex645bed59b65

6896624180069 has 8 divisors (see below), whose sum is σ = 7471081271640. Its totient is φ = 6366114625728.

The previous prime is 6896624180027. The next prime is 6896624180087. The reversal of 6896624180069 is 9600814266986.

It can be written as a sum of positive squares in 4 ways, for example, as 285230764900 + 6611393415169 = 534070^2 + 2571263^2 .

It is not a de Polignac number, because 6896624180069 - 228 = 6896355744613 is a prime.

It is a super-2 number, since 2×68966241800692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6896624179987 and 6896624180014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6896624180869) 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, 1569552692 + ... + 1569557085.

It is an arithmetic number, because the mean of its divisors is an integer number (933885158955).

Almost surely, 26896624180069 is an apocalyptic number.

It is an amenable number.

6896624180069 is a deficient number, since it is larger than the sum of its proper divisors (574457091571).

6896624180069 is an equidigital number, since it uses as much as digits as its factorization.

6896624180069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139109816 (or 3139109790 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 65.

The spelling of 6896624180069 in words is "six trillion, eight hundred ninety-six billion, six hundred twenty-four million, one hundred eighty thousand, sixty-nine".

Divisors: 1 13 169 2197 3139109777 40808427101 530509552313 6896624180069