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10505006049979 = 721971787608989
BaseRepresentation
bin1001100011011110001100…
…1001110110101010111011
31101012021020221012122122101
42120313203021312222323
52334103223022044404
634201533321204231
72132650562056600
oct230674311665273
941167227178571
1010505006049979
11339016a060a01
121217b35330677
135b280547283c
1428463314a6a7
151333d52c52a4
hex98de3276abb

10505006049979 has 24 divisors (see below), whose sum is σ = 12289033318320. Its totient is φ = 8953555939776.

The previous prime is 10505006049977. The next prime is 10505006050003. The reversal of 10505006049979 is 97994060050501.

It is not a de Polignac number, because 10505006049979 - 21 = 10505006049977 is a prime.

It is a super-2 number, since 2×105050060499792 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505006049977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16945417 + ... + 17554405.

It is an arithmetic number, because the mean of its divisors is an integer number (512043054930).

Almost surely, 210505006049979 is an apocalyptic number.

10505006049979 is a deficient number, since it is larger than the sum of its proper divisors (1784027268341).

10505006049979 is a wasteful number, since it uses less digits than its factorization.

10505006049979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610987 (or 610980 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 10505006049979 in words is "ten trillion, five hundred five billion, six million, forty-nine thousand, nine hundred seventy-nine".

Divisors: 1 7 49 197 1379 1787 9653 12509 87563 352039 608989 2464273 4262923 17249911 29840461 119970833 839795831 1088263343 5878570817 7617843401 53324903807 214387878571 1500715149997 10505006049979