Search a number
-
+
47419550481 = 315806516827
BaseRepresentation
bin101100001010011011…
…001110101100010001
311112101202020202100110
4230022123032230101
51234103401103411
633441221311533
73266046346212
oct541233165421
9145352222313
1047419550481
1119124111146
1292348655a9
134619283714
14241bb3b409
1513780772a6
hexb0a6ceb11

47419550481 has 4 divisors (see below), whose sum is σ = 63226067312. Its totient is φ = 31613033652.

The previous prime is 47419550401. The next prime is 47419550509. The reversal of 47419550481 is 18405591474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47419550481 - 217 = 47419419409 is a prime.

It is a super-2 number, since 2×474195504812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47419550481.

It is not an unprimeable number, because it can be changed into a prime (47419550401) 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, 7903258411 + ... + 7903258416.

It is an arithmetic number, because the mean of its divisors is an integer number (15806516828).

Almost surely, 247419550481 is an apocalyptic number.

It is an amenable number.

47419550481 is a deficient number, since it is larger than the sum of its proper divisors (15806516831).

47419550481 is a wasteful number, since it uses less digits than its factorization.

47419550481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15806516830.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 47419550481 in words is "forty-seven billion, four hundred nineteen million, five hundred fifty thousand, four hundred eighty-one".

Divisors: 1 3 15806516827 47419550481