Search a number
-
+
47371887146 = 2138771706849
BaseRepresentation
bin101100000111100101…
…011010001000101010
311112021102120012112202
4230013211122020222
51234004200342041
633432355540202
73264630253103
oct540745321052
9145242505482
1047371887146
11190aa216a61
1292208ba662
13460c435a6c
1424156913aa
151373caea9b
hexb0795a22a

47371887146 has 8 divisors (see below), whose sum is σ = 71062992900. Its totient is φ = 23684222848.

The previous prime is 47371887137. The next prime is 47371887181. The reversal of 47371887146 is 64178817374.

It can be written as a sum of positive squares in 2 ways, for example, as 44375529025 + 2996358121 = 210655^2 + 54739^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 47371887091 and 47371887100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825671 + ... + 881178.

Almost surely, 247371887146 is an apocalyptic number.

47371887146 is a deficient number, since it is larger than the sum of its proper divisors (23691105754).

47371887146 is a wasteful number, since it uses less digits than its factorization.

47371887146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720728.

The product of its digits is 6322176, while the sum is 56.

The spelling of 47371887146 in words is "forty-seven billion, three hundred seventy-one million, eight hundred eighty-seven thousand, one hundred forty-six".

Divisors: 1 2 13877 27754 1706849 3413698 23685943573 47371887146