Search a number
-
+
10395500849 = 57389181141
BaseRepresentation
bin10011010111001111…
…01100000100110001
3222211110222011021222
421223213230010301
5132242222011344
64435311354425
7515416204436
oct115347540461
928743864258
1010395500849
114454a97718
122021522a15
13c98914c46
147088b5b8d
1540c9835ee
hex26b9ec131

10395500849 has 4 divisors (see below), whose sum is σ = 10395739380. Its totient is φ = 10395262320.

The previous prime is 10395500783. The next prime is 10395500861. The reversal of 10395500849 is 94800559301.

It is a happy number.

10395500849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94800559301 = 713542937043.

It can be written as a sum of positive squares in 2 ways, for example, as 3315456400 + 7080044449 = 57580^2 + 84143^2 .

It is a cyclic number.

It is not a de Polignac number, because 10395500849 - 28 = 10395500593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10395500449) 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, 33182 + ... + 147959.

It is an arithmetic number, because the mean of its divisors is an integer number (2598934845).

Almost surely, 210395500849 is an apocalyptic number.

It is an amenable number.

10395500849 is a deficient number, since it is larger than the sum of its proper divisors (238531).

10395500849 is an equidigital number, since it uses as much as digits as its factorization.

10395500849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238530.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 10395500849 in words is "ten billion, three hundred ninety-five million, five hundred thousand, eight hundred forty-nine".

Divisors: 1 57389 181141 10395500849