Base | Representation |
---|---|
bin | 101000101101110000… |
… | …1100011111010101100 |
3 | 22100200111010121212222 |
4 | 1101123201203322230 |
5 | 2413031311323234 |
6 | 104100024414512 |
7 | 6213501064505 |
oct | 1213341437254 |
9 | 270614117788 |
10 | 87434870444 |
11 | 34098783309 |
12 | 14b41917438 |
13 | 832556b13c |
14 | 4336375bac |
15 | 241b08842e |
hex | 145b863eac |
87434870444 has 12 divisors (see below), whose sum is σ = 153038478768. Its totient is φ = 43709590800.
The previous prime is 87434870437. The next prime is 87434870503. The reversal of 87434870444 is 44407843478.
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 3 ways as a sum of consecutive naturals, for example, 1935992 + ... + 1980639.
It is an arithmetic number, because the mean of its divisors is an integer number (12753206564).
Almost surely, 287434870444 is an apocalyptic number.
It is an amenable number.
87434870444 is a deficient number, since it is larger than the sum of its proper divisors (65603608324).
87434870444 is a wasteful number, since it uses less digits than its factorization.
87434870444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3922216 (or 3922214 counting only the distinct ones).
The product of its (nonzero) digits is 9633792, while the sum is 53.
The spelling of 87434870444 in words is "eighty-seven billion, four hundred thirty-four million, eight hundred seventy thousand, four hundred forty-four".
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