Search a number
-
+
47113128404 = 22202922861
BaseRepresentation
bin101011111000001010…
…010100100111010100
311111121101122220021122
4223320022110213110
51232441430102104
633350553503112
73255335661326
oct537012244724
9144541586248
1047113128404
1118a87150761
12916a111a98
13459a947794
1423cd175616
15135b1ea6be
hexaf82949d4

47113128404 has 18 divisors (see below), whose sum is σ = 82517461614. Its totient is φ = 23536724640.

The previous prime is 47113128379. The next prime is 47113128427. The reversal of 47113128404 is 40482131174.

It can be written as a sum of positive squares in 3 ways, for example, as 38126467600 + 8986660804 = 195260^2 + 94798^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 16465934 + ... + 16468794.

It is an arithmetic number, because the mean of its divisors is an integer number (4584303423).

Almost surely, 247113128404 is an apocalyptic number.

It is an amenable number.

47113128404 is a deficient number, since it is larger than the sum of its proper divisors (35404333210).

47113128404 is an equidigital number, since it uses as much as digits as its factorization.

47113128404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 47113128404 its reverse (40482131174), we get a palindrome (87595259578).

The spelling of 47113128404 in words is "forty-seven billion, one hundred thirteen million, one hundred twenty-eight thousand, four hundred four".

Divisors: 1 2 4 2029 2861 4058 5722 8116 11444 4116841 5804969 8233682 11609938 16467364 23219876 11778282101 23556564202 47113128404