Search a number
-
+
47045273321 = 127370435223
BaseRepresentation
bin101011110100000111…
…011110011011101001
311111102122222111121102
4223310013132123221
51232322042221241
633340131251145
73253553140154
oct536407363351
9144378874542
1047045273321
1118a51915182
12914b449ab5
13458987a347
1423c4150c9b
15135529539b
hexaf41de6e9

47045273321 has 4 divisors (see below), whose sum is σ = 47415708672. Its totient is φ = 46674837972.

The previous prime is 47045273299. The next prime is 47045273347. The reversal of 47045273321 is 12337254074.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12337254074 = 26168627037.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47045273321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47045273021) 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, 185217485 + ... + 185217738.

It is an arithmetic number, because the mean of its divisors is an integer number (11853927168).

Almost surely, 247045273321 is an apocalyptic number.

It is an amenable number.

47045273321 is a deficient number, since it is larger than the sum of its proper divisors (370435351).

47045273321 is a wasteful number, since it uses less digits than its factorization.

47045273321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370435350.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 47045273321 in words is "forty-seven billion, forty-five million, two hundred seventy-three thousand, three hundred twenty-one".

Divisors: 1 127 370435223 47045273321