Base | Representation |
---|---|
bin | 100101010010010101… |
… | …1000010110110110011 |
3 | 21122200100220010001022 |
4 | 1022210223002312303 |
5 | 2302441433034033 |
6 | 100441252130055 |
7 | 5533156055441 |
oct | 1124453026663 |
9 | 248610803038 |
10 | 80072158643 |
11 | 30a5a711a24 |
12 | 1362800692b |
13 | 772107b039 |
14 | 3c3859db91 |
15 | 21399c4098 |
hex | 12a4ac2db3 |
80072158643 has 8 divisors (see below), whose sum is σ = 85221575568. Its totient is φ = 74971551744.
The previous prime is 80072158627. The next prime is 80072158741. The reversal of 80072158643 is 34685127008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80072158643 - 24 = 80072158627 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80072158594 and 80072158603.
It is not an unprimeable number, because it can be changed into a prime (80072158343) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12199121 + ... + 12205682.
It is an arithmetic number, because the mean of its divisors is an integer number (10652696946).
Almost surely, 280072158643 is an apocalyptic number.
80072158643 is a deficient number, since it is larger than the sum of its proper divisors (5149416925).
80072158643 is a wasteful number, since it uses less digits than its factorization.
80072158643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24405013.
The product of its (nonzero) digits is 322560, while the sum is 44.
The spelling of 80072158643 in words is "eighty billion, seventy-two million, one hundred fifty-eight thousand, six hundred forty-three".
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