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14893937969 = 20113740513
BaseRepresentation
bin11011101111011111…
…10111010100110001
31102102222120102221012
431313233313110301
5221000322003334
610501524440305
71035041245451
oct156757672461
942388512835
1014893937969
116353270049
122a77b49095
131534892261
14a140d5d61
155c28639ce
hex377bf7531

14893937969 has 4 divisors (see below), whose sum is σ = 14894698596. Its totient is φ = 14893177344.

The previous prime is 14893937957. The next prime is 14893937999. The reversal of 14893937969 is 96973939841.

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 6665089600 + 8228848369 = 81640^2 + 90713^2 .

It is a cyclic number.

It is not a de Polignac number, because 14893937969 - 24 = 14893937953 is a prime.

It is a super-2 number, since 2×148939379692 (a number of 21 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 = 14893937899 and 14893937908.

It is not an unprimeable number, because it can be changed into a prime (14893937999) 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, 350144 + ... + 390369.

It is an arithmetic number, because the mean of its divisors is an integer number (3723674649).

Almost surely, 214893937969 is an apocalyptic number.

It is an amenable number.

14893937969 is a deficient number, since it is larger than the sum of its proper divisors (760627).

14893937969 is an equidigital number, since it uses as much as digits as its factorization.

14893937969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760626.

The product of its digits is 79361856, while the sum is 68.

The spelling of 14893937969 in words is "fourteen billion, eight hundred ninety-three million, nine hundred thirty-seven thousand, nine hundred sixty-nine".

Divisors: 1 20113 740513 14893937969