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42489528320 = 21455091019
BaseRepresentation
bin100111100100100100…
…101100000000000000
311001200011112200100002
4213210210230000000
51144004304401240
631304110015132
73032634013601
oct474444540000
9131604480302
1042489528320
111702425a568
1282997a74a8
134011a86545
1420b1093da8
15118a344d15
hex9e492c000

42489528320 has 120 divisors (see below), whose sum is σ = 102272360400. Its totient is φ = 16945774592.

The previous prime is 42489528293. The next prime is 42489528329. The reversal of 42489528320 is 2382598424.

It is not an unprimeable number, because it can be changed into a prime (42489528329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41696771 + ... + 41697789.

It is an arithmetic number, because the mean of its divisors is an integer number (852269670).

Almost surely, 242489528320 is an apocalyptic number.

42489528320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42489528320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51136180200).

42489528320 is an abundant number, since it is smaller than the sum of its proper divisors (59782832080).

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

42489528320 is an equidigital number, since it uses as much as digits as its factorization.

42489528320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 42489528320 in words is "forty-two billion, four hundred eighty-nine million, five hundred twenty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 509 512 640 1018 1019 1024 1280 2036 2038 2048 2545 2560 4072 4076 4096 5090 5095 5120 8144 8152 8192 10180 10190 10240 16288 16304 16384 20360 20380 20480 32576 32608 40720 40760 40960 65152 65216 81440 81520 81920 130304 130432 162880 163040 260608 260864 325760 326080 518671 521216 521728 651520 652160 1037342 1042432 1043456 1303040 1304320 2074684 2084864 2086912 2593355 2606080 2608640 4149368 4169728 4173824 5186710 5212160 5217280 8298736 8339456 8347648 10373420 10424320 10434560 16597472 16695296 20746840 20848640 20869120 33194944 41493680 41697280 41738240 66389888 82987360 83476480 132779776 165974720 265559552 331949440 531119104 663898880 1062238208 1327797760 2124476416 2655595520 4248952832 5311191040 8497905664 10622382080 21244764160 42489528320