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55030495785630 = 235171372513137899
BaseRepresentation
bin11001000001100110010010…
…01001110011001010011110
321012211212022212110210221220
430200303021021303022132
524203104423410120010
6313012354420234210
714406551662164261
oct1440631111631236
9235755285423856
1055030495785630
1116597336257772
12620934183b966
1324924797ba0c1
14d836c11b4cd8
1565670978e970
hex320cc927329e

55030495785630 has 128 divisors (see below), whose sum is σ = 141424199078400. Its totient is φ = 13656132096000.

The previous prime is 55030495785623. The next prime is 55030495785653. The reversal of 55030495785630 is 3658759403055.

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 63 ways as a sum of consecutive naturals, for example, 15968421 + ... + 19106319.

It is an arithmetic number, because the mean of its divisors is an integer number (1104876555300).

Almost surely, 255030495785630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55030495785630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70712099539200).

55030495785630 is an abundant number, since it is smaller than the sum of its proper divisors (86393703292770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55030495785630 is a wasteful number, since it uses less digits than its factorization.

55030495785630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138314.

The product of its (nonzero) digits is 68040000, while the sum is 60.

The spelling of 55030495785630 in words is "fifty-five trillion, thirty billion, four hundred ninety-five million, seven hundred eighty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 137 170 251 255 274 411 502 510 685 753 822 1255 1370 1506 2055 2329 2510 3765 4110 4267 4658 6987 7530 8534 11645 12801 13974 21335 23290 25602 34387 34935 42670 64005 68774 69870 103161 128010 171935 206322 343870 515805 584579 1031610 1169158 1753737 2922895 3137899 3507474 5845790 6275798 8768685 9413697 15689495 17537370 18827394 31378990 47068485 53344283 94136970 106688566 160032849 266721415 320065698 429892163 533442830 787612649 800164245 859784326 1289676489 1575225298 1600328490 2149460815 2362837947 2579352978 3938063245 4298921630 4725675894 6448382445 7308166771 7876126490 11814189735 12896764890 13389415033 14616333542 21924500313 23628379470 26778830066 36540833855 40168245099 43849000626 66947075165 73081667710 80336490198 107902932913 109622501565 133894150330 200841225495 215805865826 219245003130 323708798739 401682450990 539514664565 647417597478 1079029329130 1618543993695 1834349859521 3237087987390 3668699719042 5503049578563 9171749297605 11006099157126 18343498595210 27515247892815 55030495785630