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19468205795 = 53893641159
BaseRepresentation
bin10010001000011001…
…010011111011100011
31212020202212022202002
4102020121103323203
5304332330041140
612535451114215
71256304006323
oct221031237343
955222768662
1019468205795
118290327185
123933a4296b
131ab346cccc
14d29815283
1578e222415
hex488653ee3

19468205795 has 4 divisors (see below), whose sum is σ = 23361846960. Its totient is φ = 15574564632.

The previous prime is 19468205777. The next prime is 19468205797. The reversal of 19468205795 is 59750286491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19468205795 - 220 = 19467157219 is a prime.

It is a super-2 number, since 2×194682057952 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19468205795.

It is not an unprimeable number, because it can be changed into a prime (19468205797) 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 3 ways as a sum of consecutive naturals, for example, 1946820575 + ... + 1946820584.

It is an arithmetic number, because the mean of its divisors is an integer number (5840461740).

Almost surely, 219468205795 is an apocalyptic number.

19468205795 is a deficient number, since it is larger than the sum of its proper divisors (3893641165).

19468205795 is an equidigital number, since it uses as much as digits as its factorization.

19468205795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893641164.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 19468205795 in words is "nineteen billion, four hundred sixty-eight million, two hundred five thousand, seven hundred ninety-five".

Divisors: 1 5 3893641159 19468205795