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102005301255255 = 35588195295097
BaseRepresentation
bin10111001100010111110101…
…101111110001110001010111
3111101011121111211102001100000
4113030113311233301301113
5101332223324110132010
61000540331040022343
730325432312443066
oct2714276557616127
9441147454361300
10102005301255255
112a558229316552
12b5353890019b3
1344bc09ba86138
141b291237821dd
15bbd5d2dae7c0
hex5cc5f5bf1c57

102005301255255 has 48 divisors (see below), whose sum is σ = 183565803736224. Its totient is φ = 54341075543040.

The previous prime is 102005301255251. The next prime is 102005301255257. The reversal of 102005301255255 is 552552103500201.

102005301255255 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 0 + 5 + 3 + 0 + 125 + 525 + 5 = 666.

It is not a de Polignac number, because 102005301255255 - 22 = 102005301255251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102005301255251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46577134 + ... + 48717963.

It is an arithmetic number, because the mean of its divisors is an integer number (3824287577838).

Almost surely, 2102005301255255 is an apocalyptic number.

102005301255255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102005301255255 is a deficient number, since it is larger than the sum of its proper divisors (81560502480969).

102005301255255 is an frugal number, since it uses more digits than its factorization.

102005301255255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95295998 (or 95295986 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

Adding to 102005301255255 its reverse (552552103500201), we get a palindrome (654557404755456).

The spelling of 102005301255255 in words is "one hundred two trillion, five billion, three hundred one million, two hundred fifty-five thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 881 1215 2643 4405 7929 13215 23787 39645 71361 118935 214083 356805 1070415 95295097 285885291 476475485 857655873 1429426455 2572967619 4288279365 7718902857 12864838095 23156708571 38594514285 83954980457 115783542855 251864941371 419774902285 755594824113 1259324706855 2266784472339 3777974120565 6800353417017 11333922361695 20401060251051 34001767085085 102005301255255