Base | Representation |
---|---|
bin | 1110011111011110… |
… | …1010000100101001 |
3 | 101001002221221020011 |
4 | 3213313222010221 |
5 | 30431333032040 |
6 | 1442002531521 |
7 | 165254351362 |
oct | 34767520451 |
9 | 11032857204 |
10 | 3890127145 |
11 | 171696a113 |
12 | 906966ba1 |
13 | 49cc321a8 |
14 | 28c912b69 |
15 | 17b7c03ea |
hex | e7dea129 |
3890127145 has 8 divisors (see below), whose sum is σ = 4668713280. Its totient is φ = 3111727920.
The previous prime is 3890127121. The next prime is 3890127179. The reversal of 3890127145 is 5417210983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3890127145 - 229 = 3353256233 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3890127098 and 3890127107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4090 + ... + 88300.
It is an arithmetic number, because the mean of its divisors is an integer number (583589160).
Almost surely, 23890127145 is an apocalyptic number.
It is an amenable number.
3890127145 is a deficient number, since it is larger than the sum of its proper divisors (778586135).
3890127145 is an equidigital number, since it uses as much as digits as its factorization.
3890127145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93455.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 3890127145 is about 62370.8837920387. The cubic root of 3890127145 is about 1572.7315484910.
The spelling of 3890127145 in words is "three billion, eight hundred ninety million, one hundred twenty-seven thousand, one hundred forty-five".
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