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20051102202255 = 3251129456186531
BaseRepresentation
bin1001000111100100000101…
…10100101111100110001111
32121222212101210021100112100
410203302002310233212033
510112004124130433010
6110351203231410143
74136434001412165
oct443620264574617
977885353240470
1020051102202255
116430696509a43
1222ba055683953
13b25a704c5937
144d469b101235
1524b8963992c0
hex123c82d2f98f

20051102202255 has 48 divisors (see below), whose sum is σ = 34794056849760. Its totient is φ = 10681983129600.

The previous prime is 20051102202247. The next prime is 20051102202259. The reversal of 20051102202255 is 55220220115002.

It is a happy number.

20051102202255 is a `hidden beast` number, since 200 + 5 + 1 + 1 + 0 + 2 + 202 + 255 = 666.

It is not a de Polignac number, because 20051102202255 - 23 = 20051102202247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051102202259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231678340 + ... + 231764870.

It is an arithmetic number, because the mean of its divisors is an integer number (724876184370).

Almost surely, 220051102202255 is an apocalyptic number.

20051102202255 is a deficient number, since it is larger than the sum of its proper divisors (14742954647505).

20051102202255 is a wasteful number, since it uses less digits than its factorization.

20051102202255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92232 (or 92229 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 20051102202255 its reverse (55220220115002), we get a palindrome (75271322317257).

The spelling of 20051102202255 in words is "twenty trillion, fifty-one billion, one hundred two million, two hundred two thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 45 1129 3387 4561 5645 10161 13683 16935 22805 41049 50805 68415 86531 205245 259593 432655 778779 1297965 3893895 5149369 15448107 25746845 46344321 77240535 97693499 231721605 293080497 394667891 488467495 879241491 1184003673 1465402485 1973339455 3552011019 4396207455 5920018365 17760055095 445580048939 1336740146817 2227900244695 4010220440451 6683700734085 20051102202255