Search a number
-
+
47115447568 = 2471032140759
BaseRepresentation
bin101011111000010011…
…001010110100010000
311111121120000201120121
4223320103022310100
51232443023310233
633351115320024
73255364460620
oct537023126420
9144546021517
1047115447568
1118a88495122
12916aa50014
13459b27a277
1423cd5ba880
15135b50792d
hexaf84cad10

47115447568 has 40 divisors (see below), whose sum is σ = 104339730560. Its totient is φ = 20189882880.

The previous prime is 47115447553. The next prime is 47115447637. The reversal of 47115447568 is 86574451174.

It is a super-2 number, since 2×471154475682 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135573 + ... + 1176331.

It is an arithmetic number, because the mean of its divisors is an integer number (2608493264).

Almost surely, 247115447568 is an apocalyptic number.

It is an amenable number.

47115447568 is an abundant number, since it is smaller than the sum of its proper divisors (57224282992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47115447568 is a wasteful number, since it uses less digits than its factorization.

47115447568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51095 (or 51089 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The spelling of 47115447568 in words is "forty-seven billion, one hundred fifteen million, four hundred forty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 10321 20642 40759 41284 72247 81518 82568 144494 163036 165136 285313 288988 326072 570626 577976 652144 1141252 1155952 2282504 4565008 420673639 841347278 1682694556 2944715473 3365389112 5889430946 6730778224 11778861892 23557723784 47115447568