Search a number
-
+
5386751849 = 8101664949
BaseRepresentation
bin1010000010001001…
…10100111101101001
3111220102010100100202
411001010310331221
542013002024344
62250304441545
7250326430613
oct50104647551
914812110322
105386751849
112314754436
1210640192b5
1367b01203b
143915b7db3
15217d9e94e
hex141134f69

5386751849 has 4 divisors (see below), whose sum is σ = 5387424900. Its totient is φ = 5386078800.

The previous prime is 5386751813. The next prime is 5386751879. The reversal of 5386751849 is 9481576835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9481576835 = 51896315367.

It can be written as a sum of positive squares in 2 ways, for example, as 5066592400 + 320159449 = 71180^2 + 17893^2 .

It is a cyclic number.

It is not a de Polignac number, because 5386751849 - 212 = 5386747753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5386751794 and 5386751803.

It is not an unprimeable number, because it can be changed into a prime (5386751879) 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, 324374 + ... + 340575.

It is an arithmetic number, because the mean of its divisors is an integer number (1346856225).

Almost surely, 25386751849 is an apocalyptic number.

It is an amenable number.

5386751849 is a deficient number, since it is larger than the sum of its proper divisors (673051).

5386751849 is an equidigital number, since it uses as much as digits as its factorization.

5386751849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673050.

The product of its digits is 7257600, while the sum is 56.

The square root of 5386751849 is about 73394.4946777345. The cubic root of 5386751849 is about 1752.9747336289.

The spelling of 5386751849 in words is "five billion, three hundred eighty-six million, seven hundred fifty-one thousand, eight hundred forty-nine".

Divisors: 1 8101 664949 5386751849