Base | Representation |
---|---|
bin | 101001000100101101… |
… | …1101101010010010011 |
3 | 22102200011102201121002 |
4 | 1102021123231102103 |
5 | 2421121000303031 |
6 | 104304301052215 |
7 | 6241542606434 |
oct | 1221133552223 |
9 | 272604381532 |
10 | 88205087891 |
11 | 34453522058 |
12 | 1511785706b |
13 | 8418cc3ccb |
14 | 43aa78b48b |
15 | 24639caccb |
hex | 14896ed493 |
88205087891 has 8 divisors (see below), whose sum is σ = 89134379040. Its totient is φ = 87276204288.
The previous prime is 88205087879. The next prime is 88205087923. The reversal of 88205087891 is 19878050288.
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 88205087891 - 218 = 88204825747 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88205087491) 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, 343445 + ... + 542553.
It is an arithmetic number, because the mean of its divisors is an integer number (11141797380).
Almost surely, 288205087891 is an apocalyptic number.
88205087891 is a deficient number, since it is larger than the sum of its proper divisors (929291149).
88205087891 is a wasteful number, since it uses less digits than its factorization.
88205087891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203773.
The product of its (nonzero) digits is 2580480, while the sum is 56.
The spelling of 88205087891 in words is "eighty-eight billion, two hundred five million, eighty-seven thousand, eight hundred ninety-one".
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