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20161327441725 = 3352233858114939
BaseRepresentation
bin1001001010110001011001…
…10000101010011100111101
32122101101220120111200101000
410211120230300222130331
510120310344311113400
6110513552545040513
74150415326450401
oct445305460523475
978341816450330
1020161327441725
116473409810878
122317497926139
13b33288576022
144d9b56197101
1524e698134600
hex12562cc2a73d

20161327441725 has 96 divisors (see below), whose sum is σ = 37202887612800. Its totient is φ = 10704594700800.

The previous prime is 20161327441687. The next prime is 20161327441771. The reversal of 20161327441725 is 52714472316102.

20161327441725 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 132 + 7 + 441 + 72 + 5 = 666.

It is not a de Polignac number, because 20161327441725 - 220 = 20161326393149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1349569306 + ... + 1349584244.

It is an arithmetic number, because the mean of its divisors is an integer number (387530079300).

Almost surely, 220161327441725 is an apocalyptic number.

20161327441725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20161327441725 is a deficient number, since it is larger than the sum of its proper divisors (17041560171075).

20161327441725 is a wasteful number, since it uses less digits than its factorization.

20161327441725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23772 (or 23761 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

Adding to 20161327441725 its reverse (52714472316102), we get a palindrome (72875799757827).

The spelling of 20161327441725 in words is "twenty trillion, one hundred sixty-one billion, three hundred twenty-seven million, four hundred forty-one thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 233 675 699 1165 2097 3495 5825 6291 8581 10485 14939 17475 25743 31455 42905 44817 52425 74695 77229 128715 134451 157275 214525 224085 231687 373475 386145 403353 643575 672255 1120425 1158435 1930725 1999373 2016765 3361275 3480787 5792175 5998119 9996865 10083825 10442361 17403935 17994357 29990595 31327083 49984325 52211805 53983071 87019675 89971785 93981249 128191559 149952975 156635415 261059025 269915355 384574677 449858925 469906245 640957795 783177075 1153724031 1349576775 1922873385 2349531225 3204788975 3461172093 5768620155 9614366925 17305860465 28843100775 29868633247 86529302325 89605899741 149343166235 268817699223 448029498705 746715831175 806453097669 1344088496115 2240147493525 4032265488345 6720442480575 20161327441725