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11789485049 = 17216850369
BaseRepresentation
bin10101111101011010…
…10100001111111001
31010102121222220010102
422332231110033321
5143121102010144
65225505325145
7565103653346
oct127655241771
933377886112
1011789485049
114aaa947681
1223503367b5
13115b668474
147dba9d7cd
1549003ab4e
hex2beb543f9

11789485049 has 4 divisors (see below), whose sum is σ = 11796337140. Its totient is φ = 11782632960.

The previous prime is 11789485013. The next prime is 11789485063. The reversal of 11789485049 is 94058498711.

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 8536836025 + 3252649024 = 92395^2 + 57032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11789485049 - 28 = 11789484793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11789484985 and 11789485003.

It is not an unprimeable number, because it can be changed into a prime (11789485069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3423464 + ... + 3426905.

It is an arithmetic number, because the mean of its divisors is an integer number (2949084285).

Almost surely, 211789485049 is an apocalyptic number.

It is an amenable number.

11789485049 is a deficient number, since it is larger than the sum of its proper divisors (6852091).

11789485049 is an equidigital number, since it uses as much as digits as its factorization.

11789485049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852090.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 11789485049 in words is "eleven billion, seven hundred eighty-nine million, four hundred eighty-five thousand, forty-nine".

Divisors: 1 1721 6850369 11789485049