Search a number
-
+
303140221110 = 232531701315493
BaseRepresentation
bin1000110100101001001…
…00001011000010110110
31001222110100210210021200
410122110210023002312
514431312344033420
6351132150553330
730621045236046
oct4322444130266
91058410723250
10303140221110
1110761982a961
124a901068846
1322780599ccc
141095a209726
157d431eeb90
hex469490b0b6

303140221110 has 96 divisors (see below), whose sum is σ = 813757771008. Its totient is φ = 78213530880.

The previous prime is 303140221103. The next prime is 303140221123. The reversal of 303140221110 is 11122041303.

303140221110 is a `hidden beast` number, since 303 + 140 + 2 + 211 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19558524 + ... + 19574016.

It is an arithmetic number, because the mean of its divisors is an integer number (8476643448).

Almost surely, 2303140221110 is an apocalyptic number.

303140221110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 303140221110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406878885504).

303140221110 is an abundant number, since it is smaller than the sum of its proper divisors (510617549898).

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

303140221110 is a wasteful number, since it uses less digits than its factorization.

303140221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22550 (or 22547 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 303140221110 its reverse (11122041303), we get a palindrome (314262262413).

The spelling of 303140221110 in words is "three hundred three billion, one hundred forty million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 7013 14026 15493 21039 30986 35065 42078 46479 63117 70130 77465 92958 105195 126234 139437 154930 210390 217403 232395 278874 315585 434806 464790 480283 631170 652209 697185 960566 1087015 1304418 1394370 1440849 1956627 2174030 2401415 2881698 3261045 3913254 4322547 4802830 6522090 7204245 8645094 9783135 14408490 19566270 21612735 43225470 108652409 217304818 325957227 543262045 651914454 977871681 1086524090 1629786135 1955743362 3259572270 3368224679 4889358405 6736449358 9778716810 10104674037 16841123395 20209348074 30314022111 33682246790 50523370185 60628044222 101046740370 151570110555 303140221110