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53848404161 = 895741105389
BaseRepresentation
bin110010001001100111…
…010111000011000001
312010222210021100200022
4302021213113003001
51340240142413121
640423154103225
73614261611646
oct621147270301
9163883240608
1053848404161
1120923025062
12a52987ab15
135102154056
14286b8a1dcd
151602672aab
hexc899d70c1

53848404161 has 8 divisors (see below), whose sum is σ = 54463444200. Its totient is φ = 53233586560.

The previous prime is 53848404143. The next prime is 53848404173. The reversal of 53848404161 is 16140484835.

It can be written as a sum of positive squares in 4 ways, for example, as 8247364225 + 45601039936 = 90815^2 + 213544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53848404161 is a prime.

It is a super-2 number, since 2×538484041612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53848404191) 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, 458255 + ... + 563643.

It is an arithmetic number, because the mean of its divisors is an integer number (6807930525).

Almost surely, 253848404161 is an apocalyptic number.

It is an amenable number.

53848404161 is a deficient number, since it is larger than the sum of its proper divisors (615040039).

53848404161 is a wasteful number, since it uses less digits than its factorization.

53848404161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111219.

The product of its (nonzero) digits is 368640, while the sum is 44.

Adding to 53848404161 its reverse (16140484835), we get a palindrome (69988888996).

The spelling of 53848404161 in words is "fifty-three billion, eight hundred forty-eight million, four hundred four thousand, one hundred sixty-one".

Divisors: 1 89 5741 105389 510949 9379621 605038249 53848404161