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72238360480 = 25511132242867
BaseRepresentation
bin100001101000110111…
…1011110011110100000
320220110102012221012121
41003101233132132200
52140421010013410
653104050434024
75135063634646
oct1032157363640
9226412187177
1072238360480
11286aa742470
1212000592914
136a730ba500
1436d3ddb196
151d2bda89da
hex10d1bde7a0

72238360480 has 144 divisors (see below), whose sum is σ = 201601812384. Its totient is φ = 24247741440.

The previous prime is 72238360459. The next prime is 72238360507. The reversal of 72238360480 is 8406383227.

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 23 ways as a sum of consecutive naturals, for example, 176007 + ... + 418873.

It is an arithmetic number, because the mean of its divisors is an integer number (1400012586).

Almost surely, 272238360480 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 72238360480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100800906192).

72238360480 is an abundant number, since it is smaller than the sum of its proper divisors (129363451904).

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

72238360480 is a wasteful number, since it uses less digits than its factorization.

72238360480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242919 (or 242898 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 72238360480 in words is "seventy-two billion, two hundred thirty-eight million, three hundred sixty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 65 80 88 104 110 130 143 160 169 176 208 220 260 286 338 352 416 440 520 572 676 715 845 880 1040 1144 1352 1430 1690 1760 1859 2080 2288 2704 2860 3380 3718 4576 5408 5720 6760 7436 9295 11440 13520 14872 18590 22880 27040 29744 37180 59488 74360 148720 242867 297440 485734 971468 1214335 1942936 2428670 2671537 3157271 3885872 4857340 5343074 6314542 7771744 9714680 10686148 12629084 13357685 15786355 19429360 21372296 25258168 26715370 31572710 34729981 38858720 41044523 42744592 50516336 53430740 63145420 69459962 82089046 85489184 101032672 106861480 126290840 138919924 164178092 173649905 205222615 213722960 252581680 277839848 328356184 347299810 410445230 427445920 451489753 505163360 555679696 656712368 694599620 820890460 902979506 1111359392 1313424736 1389199240 1641780920 1805959012 2257448765 2778398480 3283561840 3611918024 4514897530 5556796960 6567123680 7223836048 9029795060 14447672096 18059590120 36119180240 72238360480