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47538018660 = 223511391918379
BaseRepresentation
bin101100010001011111…
…001001100101100100
311112201000011120010210
4230101133021211210
51234324213044120
633501052415420
73302015330406
oct542137114544
9145630146123
1047538018660
1119184a77030
129268477570
134637992332
14242d778b76
151383678ce0
hexb117c9964

47538018660 has 96 divisors (see below), whose sum is σ = 145251993600. Its totient is φ = 11520800640.

The previous prime is 47538018643. The next prime is 47538018673. The reversal of 47538018660 is 6681083574.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2577351 + ... + 2595729.

It is an arithmetic number, because the mean of its divisors is an integer number (1513041600).

Almost surely, 247538018660 is an apocalyptic number.

It is an amenable number.

47538018660 is an abundant number, since it is smaller than the sum of its proper divisors (97713974940).

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

47538018660 is a wasteful number, since it uses less digits than its factorization.

47538018660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22321 (or 22319 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 47538018660 in words is "forty-seven billion, five hundred thirty-eight million, eighteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 3919 7838 11757 15676 18379 19595 23514 36758 39190 43109 47028 55137 58785 73516 78380 86218 91895 110274 117570 129327 172436 183790 202169 215545 220548 235140 258654 275685 367580 404338 431090 517308 551370 606507 646635 808676 862180 1010845 1102740 1213014 1293270 2021690 2426028 2586540 3032535 4043380 6065070 12130140 72027301 144054602 216081903 288109204 360136505 432163806 720273010 792300311 864327612 1080409515 1440546020 1584600622 2160819030 2376900933 3169201244 3961501555 4321638060 4753801866 7923003110 9507603732 11884504665 15846006220 23769009330 47538018660