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14204384993 = 72291964917
BaseRepresentation
bin11010011101010010…
…11011011011100001
31100122221001112002002
431032221123123201
5213042310304433
610305253133345
71011666165101
oct151651333341
940587045062
1014204384993
11602a006757
12290502a255
131454a70046
1498a6bb201
155820569e8
hex34ea5b6e1

14204384993 has 4 divisors (see below), whose sum is σ = 14206357140. Its totient is φ = 14202412848.

The previous prime is 14204384983. The next prime is 14204385017. The reversal of 14204384993 is 39948340241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39948340241 = 197202783453.

It can be written as a sum of positive squares in 2 ways, for example, as 14159334049 + 45050944 = 118993^2 + 6712^2 .

It is a cyclic number.

It is not a de Polignac number, because 14204384993 - 222 = 14200190689 is a prime.

It is a super-2 number, since 2×142043849932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14204384903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975230 + ... + 989687.

It is an arithmetic number, because the mean of its divisors is an integer number (3551589285).

Almost surely, 214204384993 is an apocalyptic number.

It is an amenable number.

14204384993 is a deficient number, since it is larger than the sum of its proper divisors (1972147).

14204384993 is an equidigital number, since it uses as much as digits as its factorization.

14204384993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972146.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 14204384993 in words is "fourteen billion, two hundred four million, three hundred eighty-four thousand, nine hundred ninety-three".

Divisors: 1 7229 1964917 14204384993