Search a number
-
+
6642764640230 = 25173143117125033
BaseRepresentation
bin110000010101010001110…
…1000000110111111100110
3212112001010200121102022112
41200222203220012333212
51332313340221441410
622043351032001022
71253631620544455
oct140524350067746
925461120542275
106642764640230
1121311a9510124
128b34b4530172
13392543a69344
1418d72389cb9c
15b7bd8390105
hex60aa3a06fe6

6642764640230 has 128 divisors (see below), whose sum is σ = 13384603938816. Its totient is φ = 2361739161600.

The previous prime is 6642764640181. The next prime is 6642764640241. The reversal of 6642764640230 is 320464672466.

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, 265347794 + ... + 265372826.

It is an arithmetic number, because the mean of its divisors is an integer number (104567218272).

Almost surely, 26642764640230 is an apocalyptic number.

6642764640230 is an abundant number, since it is smaller than the sum of its proper divisors (6741839298586).

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

6642764640230 is a wasteful number, since it uses less digits than its factorization.

6642764640230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302.

The product of its (nonzero) digits is 6967296, while the sum is 50.

The spelling of 6642764640230 in words is "six trillion, six hundred forty-two billion, seven hundred sixty-four million, six hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 17 31 34 43 62 85 86 155 170 215 310 430 527 731 1054 1171 1333 1462 2342 2635 2666 3655 5270 5855 6665 7310 11710 13330 19907 22661 25033 36301 39814 45322 50066 50353 72602 99535 100706 113305 125165 181505 199070 226610 250330 251765 363010 425561 503530 617117 776023 851122 856001 1076419 1234234 1552046 1560943 1712002 2127805 2152838 3085585 3121886 3880115 4255610 4280005 5382095 6171170 7760230 7804715 8560010 10764190 13192391 15609430 18299123 26384782 26536031 29313643 33368989 36598246 53072062 58627286 65961955 66737978 91495615 131923910 132680155 146568215 166844945 182991230 265360310 293136430 333689890 498331931 567272813 908722933 996663862 1134545626 1260486649 1817445866 2491659655 2520973298 2836364065 4543614665 4983319310 5672728130 6302433245 9087229330 12604866490 15448289861 21428273033 30896579722 39075086119 42856546066 77241449305 78150172238 107141365165 154482898610 195375430595 214282730330 390750861190 664276464023 1328552928046 3321382320115 6642764640230