Base | Representation |
---|---|
bin | 1000011010001011010… |
… | …00010011000110100110 |
3 | 1000121210002122121022122 |
4 | 10031011220103012212 |
5 | 14213212314010432 |
6 | 340422202025542 |
7 | 26605656661436 |
oct | 4150550230646 |
9 | 1017702577278 |
10 | 288931000742 |
11 | 10159802132a |
12 | 47bb64a82b2 |
13 | 213278260c7 |
14 | ddad0302c6 |
15 | 77b0a40612 |
hex | 4345a131a6 |
288931000742 has 16 divisors (see below), whose sum is σ = 445146047232. Its totient is φ = 140549618880.
The previous prime is 288931000697. The next prime is 288931000817. The reversal of 288931000742 is 247000139882.
It is a super-2 number, since 2×2889310007422 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 288931000693 and 288931000702.
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, 798203 + ... + 1102265.
It is an arithmetic number, because the mean of its divisors is an integer number (27821627952).
Almost surely, 2288931000742 is an apocalyptic number.
288931000742 is a deficient number, since it is larger than the sum of its proper divisors (156215046490).
288931000742 is a wasteful number, since it uses less digits than its factorization.
288931000742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316943.
The product of its (nonzero) digits is 193536, while the sum is 44.
The spelling of 288931000742 in words is "two hundred eighty-eight billion, nine hundred thirty-one million, seven hundred forty-two", and thus it is an aban number.
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