Base | Representation |
---|---|
bin | 10010001111100101101011… |
… | …100010001100010001101001 |
3 | 101112002111100221102021221201 |
4 | 102033211223202030101221 |
5 | 41004042002033304430 |
6 | 442351541113404201 |
7 | 22620603030422500 |
oct | 2217455342142151 |
9 | 345074327367851 |
10 | 80236088181865 |
11 | 23624a30034530 |
12 | 8bba35b709661 |
13 | 35a02cc978755 |
14 | 15b56398c5837 |
15 | 9421d123c8ca |
hex | 48f96b88c469 |
80236088181865 has 48 divisors (see below), whose sum is σ = 122193781438464. Its totient is φ = 50013757248000.
The previous prime is 80236088181827. The next prime is 80236088181881. The reversal of 80236088181865 is 56818188063208.
It is not a de Polignac number, because 80236088181865 - 217 = 80236088050793 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80236088181797 and 80236088181806.
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, 37240065 + ... + 39335665.
It is an arithmetic number, because the mean of its divisors is an integer number (2545703779968).
Almost surely, 280236088181865 is an apocalyptic number.
It is an amenable number.
80236088181865 is a deficient number, since it is larger than the sum of its proper divisors (41957693256599).
80236088181865 is a wasteful number, since it uses less digits than its factorization.
80236088181865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2109838 (or 2109831 counting only the distinct ones).
The product of its (nonzero) digits is 35389440, while the sum is 64.
The spelling of 80236088181865 in words is "eighty trillion, two hundred thirty-six billion, eighty-eight million, one hundred eighty-one thousand, eight hundred sixty-five".
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