Base | Representation |
---|---|
bin | 1000010011000111101… |
… | …00111001110100001000 |
3 | 1000021000002012122212001 |
4 | 10021203310321310020 |
5 | 14132433004413331 |
6 | 334554232400344 |
7 | 26413046366410 |
oct | 4114364716410 |
9 | 1007002178761 |
10 | 285142654216 |
11 | aaa2365a532 |
12 | 473198460b4 |
13 | 20b72a0c044 |
14 | db2dc53640 |
15 | 763d177561 |
hex | 4263d39d08 |
285142654216 has 32 divisors (see below), whose sum is σ = 630730298880. Its totient is φ = 118261929600.
The previous prime is 285142654211. The next prime is 285142654283. The reversal of 285142654216 is 612456241582.
It is not an unprimeable number, because it can be changed into a prime (285142654211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82124605 + ... + 82128076.
It is an arithmetic number, because the mean of its divisors is an integer number (19710321840).
Almost surely, 2285142654216 is an apocalyptic number.
It is an amenable number.
285142654216 is an abundant number, since it is smaller than the sum of its proper divisors (345587644664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285142654216 is a wasteful number, since it uses less digits than its factorization.
285142654216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164252725 (or 164252721 counting only the distinct ones).
The product of its digits is 921600, while the sum is 46.
Adding to 285142654216 its reverse (612456241582), we get a palindrome (897598895798).
The spelling of 285142654216 in words is "two hundred eighty-five billion, one hundred forty-two million, six hundred fifty-four thousand, two hundred sixteen".
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