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82705064173242 = 23713947213000779
BaseRepresentation
bin10010110011100001000101…
…111110001001111010111010
3101211211112020010022221000220
4102303201011332021322322
541320014432412020432
6451522103145440510
723264146406164410
oct2263410576117272
9354745203287026
1082705064173242
1124397025677965
1293389667a0136
13371c091aa0724
14165cd371532b0
1598653639e72c
hex4b3845f89eba

82705064173242 has 64 divisors (see below), whose sum is σ = 190440541670400. Its totient is φ = 23455041096960.

The previous prime is 82705064173187. The next prime is 82705064173267. The reversal of 82705064173242 is 24237146050728.

82705064173242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×827050641732423 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26060809 + ... + 29061587.

It is an arithmetic number, because the mean of its divisors is an integer number (2975633463600).

Almost surely, 282705064173242 is an apocalyptic number.

82705064173242 is an abundant number, since it is smaller than the sum of its proper divisors (107735477497158).

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

82705064173242 is a wasteful number, since it uses less digits than its factorization.

82705064173242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005651.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 82705064173242 in words is "eighty-two trillion, seven hundred five billion, sixty-four million, one hundred seventy-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 139 278 417 834 973 1946 2919 4721 5838 9442 14163 28326 33047 66094 99141 198282 656219 1312438 1968657 3000779 3937314 4593533 6001558 9002337 9187066 13780599 18004674 21005453 27561198 42010906 63016359 126032718 417108281 834216562 1251324843 2502649686 2919757967 5839515934 8759273901 14166677659 17518547802 28333355318 42500032977 85000065954 99166743613 198333487226 297500230839 595000461678 1969168194601 3938336389202 5907504583803 11815009167606 13784177362207 27568354724414 41352532086621 82705064173242