Search a number
-
+
47577472321 = 5310312836793
BaseRepresentation
bin101100010011110101…
…101001110101000001
311112210202102000101111
4230103311221311001
51234414313103241
633505022203321
73303004561561
oct542365516501
9145722360344
1047577472321
11191a5274165
129279723541
134642bc72b2
142434ac8da1
151386d6dc81
hexb13d69d41

47577472321 has 16 divisors (see below), whose sum is σ = 48991153536. Its totient is φ = 46183752576.

The previous prime is 47577472307. The next prime is 47577472333. The reversal of 47577472321 is 12327477574.

47577472321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47577472321 - 217 = 47577341249 is a prime.

It is a super-2 number, since 2×475774723212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

Its product of digits (2304960) is a multiple of the sum of its prime divisors (8232).

It is not an unprimeable number, because it can be changed into a prime (47577472121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7000501 + ... + 7007293.

It is an arithmetic number, because the mean of its divisors is an integer number (3061947096).

Almost surely, 247577472321 is an apocalyptic number.

It is an amenable number.

47577472321 is a deficient number, since it is larger than the sum of its proper divisors (1413681215).

47577472321 is a wasteful number, since it uses less digits than its factorization.

47577472321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232.

The product of its digits is 2304960, while the sum is 49.

The spelling of 47577472321 in words is "forty-seven billion, five hundred seventy-seven million, four hundred seventy-two thousand, three hundred twenty-one".

Divisors: 1 53 103 1283 5459 6793 67999 132149 360029 699679 7003897 8715419 37082987 461917207 897688157 47577472321