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10781398050069 = 3616711311636691
BaseRepresentation
bin1001110011100011110101…
…1001101010010100010101
31102011200200011112000201110
42130320331121222110111
52403120300400100234
634532523401045233
72161634044234203
oct234707531522425
942150604460643
1010781398050069
113487402146479
121261610486819
136028b227531a
14293b72b34073
1513a6b00c61e9
hex9ce3d66a515

10781398050069 has 64 divisors (see below), whose sum is σ = 14975259522048. Its totient is φ = 6895653811200.

The previous prime is 10781398050041. The next prime is 10781398050079. The reversal of 10781398050069 is 96005089318701.

It is not a de Polignac number, because 10781398050069 - 27 = 10781398049941 is a prime.

It is a super-2 number, since 2×107813980500692 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781398050079) 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 63 ways as a sum of consecutive naturals, for example, 1611325014 + ... + 1611331704.

It is an arithmetic number, because the mean of its divisors is an integer number (233988430032).

Almost surely, 210781398050069 is an apocalyptic number.

It is an amenable number.

10781398050069 is a deficient number, since it is larger than the sum of its proper divisors (4193861471979).

10781398050069 is a wasteful number, since it uses less digits than its factorization.

10781398050069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 10781398050069 in words is "ten trillion, seven hundred eighty-one billion, three hundred ninety-eight million, fifty thousand, sixty-nine".

Divisors: 1 3 61 67 113 183 201 339 1163 3489 4087 6691 6893 7571 12261 20073 20679 22713 70943 77921 131419 212829 233763 394257 408151 448297 461831 756083 1224453 1344891 1385493 2268249 4753181 7781633 8016559 8805073 14259543 23344899 24049677 26415219 27346117 46121063 50657561 82038351 138363189 151972683 474679613 521369411 537109453 879324529 1424038839 1564108233 1611328359 2637973587 3090111221 9270333663 31803534071 53638796269 58914743443 95410602213 160916388807 176744230329 3593799350023 10781398050069