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442031014020 = 223523282116963
BaseRepresentation
bin1100110111010110001…
…10100000000010000100
31120020221220100002221210
412123223012200002010
524220234414422040
6535022150411420
743635640424331
oct6335306400204
91506856302853
10442031014020
11160511a90322
1271803360b70
13328b640663b
14175743bd988
15b77186c480
hex66eb1a0084

442031014020 has 144 divisors (see below), whose sum is σ = 1295491280832. Its totient is φ = 112605968640.

The previous prime is 442031013979. The next prime is 442031014037. The reversal of 442031014020 is 20410130244.

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, 26050059 + ... + 26067021.

It is an arithmetic number, because the mean of its divisors is an integer number (8996467228).

Almost surely, 2442031014020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442031014020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647745640416).

442031014020 is an abundant number, since it is smaller than the sum of its proper divisors (853460266812).

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

442031014020 is a wasteful number, since it uses less digits than its factorization.

442031014020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17842 (or 17817 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 442031014020 its reverse (20410130244), we get a palindrome (462441144264).

The spelling of 442031014020 in words is "four hundred forty-two billion, thirty-one million, fourteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 529 690 821 1058 1380 1587 1642 2116 2463 2645 3174 3284 4105 4926 5290 6348 7935 8210 9852 10580 12315 15870 16420 16963 18883 24630 31740 33926 37766 49260 50889 56649 67852 75532 84815 94415 101778 113298 169630 188830 203556 226596 254445 283245 339260 377660 390149 434309 508890 566490 780298 868618 1017780 1132980 1170447 1302927 1560596 1737236 1950745 2171545 2340894 2605854 3901490 4343090 4681788 5211708 5852235 6514635 7802980 8686180 8973427 11704470 13029270 13926623 17946854 23408940 26058540 26920281 27853246 35893708 41779869 44867135 53840562 55706492 69633115 83559738 89734270 107681124 134601405 139266230 167119476 179468540 208899345 269202810 278532460 320312329 417798690 538405620 640624658 835597380 960936987 1281249316 1601561645 1921873974 3203123290 3843747948 4804684935 6406246580 7367183567 9609369870 14734367134 19218739740 22101550701 29468734268 36835917835 44203101402 73671835670 88406202804 110507753505 147343671340 221015507010 442031014020