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20671834625323 = 7216340914234447
BaseRepresentation
bin1001011001101000010010…
…10111000001010100101011
32201012012121200211121211121
410230310021113001110223
510202141404131002243
6111544302033440111
74232330222065300
oct454641127012453
981165550747747
1020671834625323
11664a96a806882
12239a40b710037
13b6c4654accab
14516744a450a7
1525cac640c1ed
hex12cd095c152b

20671834625323 has 48 divisors (see below), whose sum is σ = 24276011151360. Its totient is φ = 17550662822784.

The previous prime is 20671834625297. The next prime is 20671834625401. The reversal of 20671834625323 is 32352643817602.

It is not a de Polignac number, because 20671834625323 - 217 = 20671834494251 is a prime.

It is a super-3 number, since 3×206718346253233 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20671834625723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4648487686 + ... + 4648492132.

It is an arithmetic number, because the mean of its divisors is an integer number (505750232320).

Almost surely, 220671834625323 is an apocalyptic number.

20671834625323 is a deficient number, since it is larger than the sum of its proper divisors (3604176526037).

20671834625323 is a wasteful number, since it uses less digits than its factorization.

20671834625323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456 (or 6449 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 20671834625323 in words is "twenty trillion, six hundred seventy-one billion, eight hundred thirty-four million, six hundred twenty-five thousand, three hundred twenty-three".

Divisors: 1 7 49 163 409 1141 1423 2863 4447 7987 9961 20041 31129 66667 69727 217903 231949 466669 582007 724861 1623643 1818823 3266683 4074049 5074027 6328081 11365501 12731761 28518343 35518189 44296567 89122327 94867141 296468149 310075969 664069987 1031477203 2075277043 2588185129 4648489909 7220340421 14526939301 18117295903 50542382947 126821071321 421874176027 2953119232189 20671834625323