Base | Representation |
---|---|
bin | 1000010100100100111… |
… | …01011000110000100000 |
3 | 1000100000121100220002210 |
4 | 10022102131120300200 |
5 | 14141033301044111 |
6 | 335204021242120 |
7 | 26441326362324 |
oct | 4122235306040 |
9 | 1010017326083 |
10 | 285925018656 |
11 | 100295245512 |
12 | 474b7863340 |
13 | 20c68b28a94 |
14 | dba5b0b984 |
15 | 7686bb90a6 |
hex | 4292758c20 |
285925018656 has 24 divisors (see below), whose sum is σ = 750553174224. Its totient is φ = 95308339520.
The previous prime is 285925018649. The next prime is 285925018723. The reversal of 285925018656 is 656810529582.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-3 number, since 3×2859250186563 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 285925018596 and 285925018605.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489192710 + ... + 1489192901.
It is an arithmetic number, because the mean of its divisors is an integer number (31273048926).
Almost surely, 2285925018656 is an apocalyptic number.
It is an amenable number.
285925018656 is an abundant number, since it is smaller than the sum of its proper divisors (464628155568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285925018656 is a wasteful number, since it uses less digits than its factorization.
285925018656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2978385624 (or 2978385616 counting only the distinct ones).
The product of its (nonzero) digits is 10368000, while the sum is 57.
The spelling of 285925018656 in words is "two hundred eighty-five billion, nine hundred twenty-five million, eighteen thousand, six hundred fifty-six".
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