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83040407743880 = 23547149099296249
BaseRepresentation
bin10010111000011001011010…
…000000010110110110001000
3101220000120210210102101000202
4102320121122000112312020
541341013223340301010
6452340123042151332
723330320500412046
oct2270313200266610
9356016723371022
1083040407743880
112450626a348974
129391954652548
1337448a5067932
14167126a277396
159901118576a5
hex4b865a016d88

83040407743880 has 64 divisors (see below), whose sum is σ = 190818180000000. Its totient is φ = 32509108447744.

The previous prime is 83040407743819. The next prime is 83040407743889. The reversal of 83040407743880 is 8834770404038.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83040407743889) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 280157996 + ... + 280454244.

It is an arithmetic number, because the mean of its divisors is an integer number (2981534062500).

Almost surely, 283040407743880 is an apocalyptic number.

It is an amenable number.

83040407743880 is an abundant number, since it is smaller than the sum of its proper divisors (107777772256120).

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

83040407743880 is a wasteful number, since it uses less digits than its factorization.

83040407743880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445406 (or 445402 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 56.

The spelling of 83040407743880 in words is "eighty-three trillion, forty billion, four hundred seven million, seven hundred forty-three thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 149099 296249 298198 592498 596396 745495 1184996 1192792 1481245 1490990 2369992 2962490 2981980 5924980 5963960 7007653 11849960 13923703 14015306 27847406 28030612 35038265 55694812 56061224 69618515 70076530 111389624 139237030 140153060 278474060 280306120 556948120 44170429651 88340859302 176681718604 220852148255 353363437208 441704296510 883408593020 1766817186040 2076010193597 4152020387194 8304040774388 10380050967985 16608081548776 20760101935970 41520203871940 83040407743880