Base | Representation |
---|---|
bin | 101010000000011011… |
… | …1010111011011111001 |
3 | 22121211210211020002110 |
4 | 1110000313113123321 |
5 | 2434221424432004 |
6 | 105235200122533 |
7 | 6342313244001 |
oct | 1240067273371 |
9 | 277753736073 |
10 | 90208827129 |
11 | 35291592aa3 |
12 | 15596906449 |
13 | 867817a325 |
14 | 451a93b001 |
15 | 252e87b589 |
hex | 1500dd76f9 |
90208827129 has 8 divisors (see below), whose sum is σ = 120281388192. Its totient is φ = 60137742080.
The previous prime is 90208827067. The next prime is 90208827167. The reversal of 90208827129 is 92172880209.
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 90208827129 - 219 = 90208302841 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (90208827199) 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, 217512 + ... + 477209.
It is an arithmetic number, because the mean of its divisors is an integer number (15035173524).
Almost surely, 290208827129 is an apocalyptic number.
It is an amenable number.
90208827129 is a deficient number, since it is larger than the sum of its proper divisors (30072561063).
90208827129 is a wasteful number, since it uses less digits than its factorization.
90208827129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738007.
The product of its (nonzero) digits is 290304, while the sum is 48.
The spelling of 90208827129 in words is "ninety billion, two hundred eight million, eight hundred twenty-seven thousand, one hundred twenty-nine".
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