Search a number
-
+
47271445211704 = 23719365912142129
BaseRepresentation
bin10101011111110001111011…
…01100110010101000111000
320012101002212021221110211011
422233320331230302220320
522143443404433233304
6244312111354443304
712646151323405630
oct1257707554625070
9205332767843734
1047271445211704
111407578650461a
125375633433534
13204b8a7ba814c
14b95d433296c0
1556e98acc6c04
hex2afe3db32a38

47271445211704 has 64 divisors (see below), whose sum is σ = 106656469920000. Its totient is φ = 19187670624768.

The previous prime is 47271445211693. The next prime is 47271445211713. The reversal of 47271445211704 is 40711254417274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2177889 + ... + 9964240.

It is an arithmetic number, because the mean of its divisors is an integer number (1666507342500).

Almost surely, 247271445211704 is an apocalyptic number.

It is an amenable number.

47271445211704 is an abundant number, since it is smaller than the sum of its proper divisors (59385024708296).

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

47271445211704 is a wasteful number, since it uses less digits than its factorization.

47271445211704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145820 (or 12145816 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 49.

Adding to 47271445211704 its reverse (40711254417274), we get a palindrome (87982699628978).

The spelling of 47271445211704 in words is "forty-seven trillion, two hundred seventy-one billion, four hundred forty-five million, two hundred eleven thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 3659 7318 14636 25613 29272 51226 69521 102452 139042 204904 278084 486647 556168 973294 1946588 3893176 12142129 24284258 48568516 84994903 97137032 169989806 230700451 339979612 461400902 679959224 922801804 1614903157 1845603608 3229806314 6459612628 12919225256 44428050011 88856100022 177712200044 310996350077 355424400088 621992700154 844132950209 1243985400308 1688265900418 2487970800616 3376531800836 5908930651463 6753063601672 11817861302926 23635722605852 47271445211704