Base | Representation |
---|---|
bin | 10010001101010101010011… |
… | …011111000010101000001011 |
3 | 101111112200020011121102012202 |
4 | 102031111103133002220023 |
5 | 40444022010331130300 |
6 | 442152422255430415 |
7 | 22603444315540121 |
oct | 2215252337025013 |
9 | 344480204542182 |
10 | 80081065880075 |
11 | 23575209a86747 |
12 | 8b942b6b2540b |
13 | 358b7c5a5c6b0 |
14 | 15abd31109911 |
15 | 93d15b79dad5 |
hex | 48d5537c2a0b |
80081065880075 has 24 divisors (see below), whose sum is σ = 106951931388288. Its totient is φ = 59129649031680.
The previous prime is 80081065880047. The next prime is 80081065880077. The reversal of 80081065880075 is 57008856018008.
It is a happy number.
It is not a de Polignac number, because 80081065880075 - 226 = 80080998771211 is a prime.
It is a super-2 number, since 2×800810658800752 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80081065880075.
It is not an unprimeable number, because it can be changed into a prime (80081065880077) 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, 12173582 + ... + 17560131.
It is an arithmetic number, because the mean of its divisors is an integer number (4456330474512).
Almost surely, 280081065880075 is an apocalyptic number.
80081065880075 is a deficient number, since it is larger than the sum of its proper divisors (26870865508213).
80081065880075 is a wasteful number, since it uses less digits than its factorization.
80081065880075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29742023 (or 29742018 counting only the distinct ones).
The product of its (nonzero) digits is 4300800, while the sum is 56.
The spelling of 80081065880075 in words is "eighty trillion, eighty-one billion, sixty-five million, eight hundred eighty thousand, seventy-five".
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