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10940385247987 = 13171512239146423
BaseRepresentation
bin1001111100110100000111…
…0001101100001011110011
31102201220001020222111110011
42133031001301230023303
52413221402110413422
635133535452315351
72206262642146516
oct237150161541363
942656036874404
1010940385247987
113538878291418
1212883a0a72b57
1361489b741970
1429b735d26d7d
1513e8b7ba4077
hex9f341c6c2f3

10940385247987 has 32 divisors (see below), whose sum is σ = 12563319767040. Its totient is φ = 9437542156800.

The previous prime is 10940385247969. The next prime is 10940385248059. The reversal of 10940385247987 is 78974258304901.

It is a cyclic number.

It is not a de Polignac number, because 10940385247987 - 219 = 10940384723699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10940385247787) 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 31 ways as a sum of consecutive naturals, for example, 74644458 + ... + 74790880.

It is an arithmetic number, because the mean of its divisors is an integer number (392603742720).

Almost surely, 210940385247987 is an apocalyptic number.

10940385247987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10940385247987 is a deficient number, since it is larger than the sum of its proper divisors (1622934519053).

10940385247987 is a wasteful number, since it uses less digits than its factorization.

10940385247987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148843.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 10940385247987 in words is "ten trillion, nine hundred forty billion, three hundred eighty-five million, two hundred forty-seven thousand, nine hundred eighty-seven".

Divisors: 1 13 17 151 221 1963 2239 2567 29107 33371 38063 146423 338089 494819 1903499 2489191 4395157 5747513 22109873 32359483 74717669 287428349 327841097 375867841 4261934261 4886281933 5573298649 49504005647 72452882437 643552073411 841568095999 10940385247987