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80742975100065 = 32522694679169007
BaseRepresentation
bin10010010110111101110000…
…010110010101010010100001
3101120212221201202120200220200
4102112331300112111102201
541040343103111200230
6443420451035255413
723002326123222645
oct2226756026252241
9346787652520820
1080742975100065
11237aa9a352a563
129080642baa569
133609050858445
1415d1da362ac25
1595049b79e160
hex496f705954a1

80742975100065 has 48 divisors (see below), whose sum is σ = 140046924326400. Its totient is φ = 43034487221376.

The previous prime is 80742975100001. The next prime is 80742975100153. The reversal of 80742975100065 is 56000157924708.

80742975100065 is a `hidden beast` number, since 80 + 7 + 42 + 9 + 7 + 510 + 0 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 80742975100065 - 26 = 80742975100001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80742975099984 and 80742975100020.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 477664792 + ... + 477833798.

It is an arithmetic number, because the mean of its divisors is an integer number (2917644256800).

Almost surely, 280742975100065 is an apocalyptic number.

It is an amenable number.

80742975100065 is a deficient number, since it is larger than the sum of its proper divisors (59303949226335).

80742975100065 is a wasteful number, since it uses less digits than its factorization.

80742975100065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175966 (or 175963 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 80742975100065 in words is "eighty trillion, seven hundred forty-two billion, nine hundred seventy-five million, one hundred thousand, sixty-five".

Divisors: 1 3 5 9 15 45 2269 4679 6807 11345 14037 20421 23395 34035 42111 70185 102105 169007 210555 507021 845035 1521063 2535105 7605315 10616651 31849953 53083255 95549859 159249765 383476883 477749295 790783753 1150430649 1917384415 2372351259 3451291947 3953918765 5752153245 7117053777 11861756295 17256459735 35585268885 1794288335557 5382865006671 8971441677785 16148595020013 26914325033355 80742975100065