Search a number
-
+
53213112420 = 223513312121859
BaseRepresentation
bin110001100011101111…
…111010100001100100
312002100111212012020120
4301203233322201210
51332440024044140
640240141401540
73562445664306
oct614357724144
9162314765216
1053213112420
1120627461a66
12a390b692b0
13503064c990
14280b36d976
1515b69d31d0
hexc63bfa864

53213112420 has 96 divisors (see below), whose sum is σ = 160516755840. Its totient is φ = 13093816320.

The previous prime is 53213112397. The next prime is 53213112437. The reversal of 53213112420 is 2421131235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2423451 + ... + 2445309.

It is an arithmetic number, because the mean of its divisors is an integer number (1672049540).

Almost surely, 253213112420 is an apocalyptic number.

It is an amenable number.

53213112420 is an abundant number, since it is smaller than the sum of its proper divisors (107303643420).

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

53213112420 is a wasteful number, since it uses less digits than its factorization.

53213112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25005 (or 25003 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 53213112420 its reverse (2421131235), we get a palindrome (55634243655).

The spelling of 53213112420 in words is "fifty-three billion, two hundred thirteen million, one hundred twelve thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 3121 6242 9363 12484 15605 18726 21859 31210 37452 40573 43718 46815 62420 65577 81146 87436 93630 109295 121719 131154 162292 187260 202865 218590 243438 262308 284167 327885 405730 437180 486876 568334 608595 655770 811460 852501 1136668 1217190 1311540 1420835 1705002 2434380 2841670 3410004 4262505 5683340 8525010 17050020 68221939 136443878 204665817 272887756 341109695 409331634 682219390 818663268 886885207 1023329085 1364438780 1773770414 2046658170 2660655621 3547540828 4093316340 4434426035 5321311242 8868852070 10642622484 13303278105 17737704140 26606556210 53213112420