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83730180021448 = 23178376111038837
BaseRepresentation
bin10011000010011011110011…
…101000110001110011001000
3101222110112020012122122012011
4103002123303220301303020
541433313402041141243
6454025040320025304
723431206626134612
oct2302336350616310
9358415205578164
1083730180021448
11247518518652a4
129483577a62234
1337949505a49bc
1416967c309bdb2
159a3032a6d89d
hex4c26f3a31cc8

83730180021448 has 128 divisors (see below), whose sum is σ = 168624662008320. Its totient is φ = 38836914626560.

The previous prime is 83730180021419. The next prime is 83730180021563. The reversal of 83730180021448 is 84412008103738.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9474950886 + ... + 9474959722.

It is an arithmetic number, because the mean of its divisors is an integer number (1317380171940).

Almost surely, 283730180021448 is an apocalyptic number.

It is an amenable number.

83730180021448 is an abundant number, since it is smaller than the sum of its proper divisors (84894481986872).

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

83730180021448 is a wasteful number, since it uses less digits than its factorization.

83730180021448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807 (or 10803 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 83730180021448 in words is "eighty-three trillion, seven hundred thirty billion, one hundred eighty million, twenty-one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 17 34 68 83 136 166 332 664 761 1103 1411 1522 2206 2822 3044 4412 5644 6088 8824 8837 11288 12937 17674 18751 25874 35348 37502 51748 63163 70696 75004 91549 103496 126326 150008 150229 183098 252652 300458 366196 505304 600916 732392 733471 839383 1073771 1201832 1466942 1556333 1678766 2147542 2933884 3112666 3357532 4295084 5867768 6225332 6715064 6724957 8590168 9747211 12450664 12469007 13449914 14269511 19494422 24938014 26899828 28539022 38988844 49876028 53799656 57078044 69668789 77977688 99752056 114156088 114324269 139337578 165702587 228648538 278675156 331405174 457297076 557350312 558171431 662810348 809018513 914594152 1116342862 1184369413 1325620696 1618037026 2232685724 2368738826 3236074052 4465371448 4737477652 6472148104 7417627571 9474955304 9488914327 13753314721 14835255142 18977828654 27506629442 29670510284 37955657308 55013258884 59341020568 75911314616 110026517768 126099668707 252199337414 504398674828 615663088393 1008797349656 1231326176786 2462652353572 4925304707144 10466272502681 20932545005362 41865090010724 83730180021448