Base | Representation |
---|---|
bin | 1000010110110110011… |
… | …11000011111010010011 |
3 | 1000110011200212011122202 |
4 | 10023123033003322103 |
5 | 14201033334000034 |
6 | 335525115153415 |
7 | 26513513504624 |
oct | 4133317037223 |
9 | 1013150764582 |
10 | 287146000019 |
11 | 10086148191a |
12 | 4779874586b |
13 | 21101a88268 |
14 | dc7dd3da4b |
15 | 7708e9b47e |
hex | 42db3c3e93 |
287146000019 has 8 divisors (see below), whose sum is σ = 288003448560. Its totient is φ = 286289077536.
The previous prime is 287145999997. The next prime is 287146000081. The reversal of 287146000019 is 910000641782.
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 287146000019 - 212 = 287145995923 is a prime.
It is a super-2 number, since 2×2871460000192 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (287146000319) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975677 + ... + 1235409.
It is an arithmetic number, because the mean of its divisors is an integer number (36000431070).
Almost surely, 2287146000019 is an apocalyptic number.
287146000019 is a deficient number, since it is larger than the sum of its proper divisors (857448541).
287146000019 is a wasteful number, since it uses less digits than its factorization.
287146000019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263029.
The product of its (nonzero) digits is 24192, while the sum is 38.
The spelling of 287146000019 in words is "two hundred eighty-seven billion, one hundred forty-six million, nineteen", and thus it is an aban number.
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