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75381355458090 = 232511591290555649
BaseRepresentation
bin10001001000111100010110…
…111010100010111000101010
3100212220101110021022101220100
4101020330112322202320222
534340022003444124330
6424153414443010230
721610060155222153
oct2110742672427052
9325811407271810
1075381355458090
1122023064a71760
1285554b3509976
13330a57b7b6186
14148869712492a
158aac96d8c060
hex448f16ea2e2a

75381355458090 has 96 divisors (see below), whose sum is σ = 217432815912000. Its totient is φ = 17964534620160.

The previous prime is 75381355458029. The next prime is 75381355458133. The reversal of 75381355458090 is 9085455318357.

75381355458090 is a `hidden beast` number, since 7 + 5 + 3 + 8 + 1 + 3 + 5 + 545 + 80 + 9 + 0 = 666.

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, 645219415 + ... + 645336234.

It is an arithmetic number, because the mean of its divisors is an integer number (2264925165750).

Almost surely, 275381355458090 is an apocalyptic number.

75381355458090 is an abundant number, since it is smaller than the sum of its proper divisors (142051460453910).

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

75381355458090 is a wasteful number, since it uses less digits than its factorization.

75381355458090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290555732 (or 1290555729 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 63.

The spelling of 75381355458090 in words is "seventy-five trillion, three hundred eighty-one billion, three hundred fifty-five million, four hundred fifty-eight thousand, ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 59 66 90 99 110 118 165 177 198 295 330 354 495 531 590 649 885 990 1062 1298 1770 1947 2655 3245 3894 5310 5841 6490 9735 11682 19470 29205 58410 1290555649 2581111298 3871666947 6452778245 7743333894 11615000841 12905556490 14196112139 19358334735 23230001682 28392224278 38716669470 42588336417 58075004205 70980560695 76142783291 85176672834 116150008410 127765009251 141961121390 152285566582 212941682085 228428349873 255530018502 380713916455 425883364170 456856699746 638825046255 685285049619 761427832910 837570616201 1142141749365 1277650092510 1370570099238 1675141232402 2284283498730 2512711848603 3426425248095 4187853081005 5025423697206 6852850496190 7538135545809 8375706162010 12563559243015 15076271091618 25127118486030 37690677729045 75381355458090