Base | Representation |
---|---|
bin | 1000010011001000101… |
… | …11110100100010011101 |
3 | 1000021000201102200222221 |
4 | 10021210113310202131 |
5 | 14132442330321040 |
6 | 334555200505341 |
7 | 26413220241655 |
oct | 4114427644235 |
9 | 1007021380887 |
10 | 285151807645 |
11 | aaa28841651 |
12 | 4732091b251 |
13 | 20b74895483 |
14 | db31157365 |
15 | 763dd8474a |
hex | 42645f489d |
285151807645 has 8 divisors (see below), whose sum is σ = 342194171904. Its totient is φ = 228113444304.
The previous prime is 285151807627. The next prime is 285151807657. The reversal of 285151807645 is 546708151582.
It is a happy number.
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 285151807645 - 25 = 285151807613 is a prime.
It is a super-2 number, since 2×2851518076452 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 285151807592 and 285151807601.
It is a congruent number.
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, 841129 + ... + 1130398.
It is an arithmetic number, because the mean of its divisors is an integer number (42774271488).
Almost surely, 2285151807645 is an apocalyptic number.
It is an amenable number.
285151807645 is a deficient number, since it is larger than the sum of its proper divisors (57042364259).
285151807645 is a wasteful number, since it uses less digits than its factorization.
285151807645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2000459.
The product of its (nonzero) digits is 2688000, while the sum is 52.
The spelling of 285151807645 in words is "two hundred eighty-five billion, one hundred fifty-one million, eight hundred seven thousand, six hundred forty-five".
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