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115666340293 = 73616318761
BaseRepresentation
bin110101110111001000…
…0000100100111000101
3102001112222121212222101
41223232100010213011
53343341040342133
6125045243032101
711233214446000
oct1535620044705
9361488555871
10115666340293
11450656a7479
121a50050b631
13aba441119a
14585397a537
15301e7c337d
hex1aee4049c5

115666340293 has 32 divisors (see below), whose sum is σ = 137332083200. Its totient is φ = 97351632000.

The previous prime is 115666340269. The next prime is 115666340333. The reversal of 115666340293 is 392043666511.

It is not a de Polignac number, because 115666340293 - 217 = 115666209221 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115666340243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13198033 + ... + 13206793.

It is an arithmetic number, because the mean of its divisors is an integer number (4291627600).

Almost surely, 2115666340293 is an apocalyptic number.

It is an amenable number.

115666340293 is a deficient number, since it is larger than the sum of its proper divisors (21665742907).

115666340293 is an frugal number, since it uses more digits than its factorization.

115666340293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474 (or 9460 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 115666340293 in words is "one hundred fifteen billion, six hundred sixty-six million, three hundred forty thousand, two hundred ninety-three".

Divisors: 1 7 49 61 343 427 631 2989 4417 8761 20923 30919 38491 61327 216433 269437 429289 534421 1886059 3005023 3740947 5528191 13202413 26186629 38697337 183306403 270881359 337219651 1896169513 2360537557 16523762899 115666340293