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52540255204525 = 52111725934334191
BaseRepresentation
bin10111111001000111110110…
…01111110111010010101101
320220000210120201111002122101
423330203323033313102231
523341304420313021100
6303424354322215101
714031623334406054
oct1374437317672255
9226023521432571
1052540255204525
1115817219383340
125a867a11b4491
1323416a8cccc5a
14cd8d6771b39b
15611a5c86886a
hex2fc8fb3f74ad

52540255204525 has 48 divisors (see below), whose sum is σ = 75282418545408. Its totient is φ = 35949505536000.

The previous prime is 52540255204519. The next prime is 52540255204553.

52540255204525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52540255204525 - 225 = 52540221650093 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9955180 + ... + 14289370.

It is an arithmetic number, because the mean of its divisors is an integer number (1568383719696).

Almost surely, 252540255204525 is an apocalyptic number.

52540255204525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52540255204525 is a deficient number, since it is larger than the sum of its proper divisors (22742163340883).

52540255204525 is a wasteful number, since it uses less digits than its factorization.

52540255204525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336822 (or 4336817 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 46.

The spelling of 52540255204525 in words is "fifty-two trillion, five hundred forty billion, two hundred fifty-five million, two hundred four thousand, five hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 935 2593 4675 12965 28523 44081 64825 142615 220405 484891 713075 1102025 2424455 4334191 12122275 21670955 47676101 73681247 108354775 238380505 368406235 810493717 1191902525 1842031175 4052468585 11238557263 20262342925 56192786315 123624129893 191055473471 280963931575 618120649465 955277367355 2101610208181 3090603247325 4776386836775 10508051040905 52540255204525