Base | Representation |
---|---|
bin | 1000010110110101111… |
… | …01010010111000001010 |
3 | 1000110011101002120001120 |
4 | 10023122331102320022 |
5 | 14201031140431410 |
6 | 335524431300110 |
7 | 26513426066544 |
oct | 4133275227012 |
9 | 1013141076046 |
10 | 287141342730 |
11 | 100859890820 |
12 | 4779707a636 |
13 | 21100b17478 |
14 | dc7d48a694 |
15 | 770887b570 |
hex | 42daf52e0a |
287141342730 has 64 divisors (see below), whose sum is σ = 751855015296. Its totient is φ = 69603840000.
The previous prime is 287141342717. The next prime is 287141342753. The reversal of 287141342730 is 37243141782.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4482930 + ... + 4546530.
It is an arithmetic number, because the mean of its divisors is an integer number (11747734614).
Almost surely, 2287141342730 is an apocalyptic number.
287141342730 is an abundant number, since it is smaller than the sum of its proper divisors (464713672566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
287141342730 is a wasteful number, since it uses less digits than its factorization.
287141342730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77303.
The product of its (nonzero) digits is 225792, while the sum is 42.
The spelling of 287141342730 in words is "two hundred eighty-seven billion, one hundred forty-one million, three hundred forty-two thousand, seven hundred thirty".
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