Base | Representation |
---|---|
bin | 10011110110001001111101… |
… | …001011100011100101101000 |
3 | 102110001022100200201001011012 |
4 | 103312021331023203211220 |
5 | 42420032000421230124 |
6 | 505345524521123052 |
7 | 24246043301624540 |
oct | 2366117513434550 |
9 | 373038320631135 |
10 | 87284425570664 |
11 | 258a2131809483 |
12 | 9958381629488 |
13 | 3991b6975868a |
14 | 177a8356da320 |
15 | a15705365e0e |
hex | 4f627d2e3968 |
87284425570664 has 64 divisors (see below), whose sum is σ = 187470412800000. Its totient is φ = 37321145108928.
The previous prime is 87284425570663. The next prime is 87284425570691. The reversal of 87284425570664 is 46607552448278.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 87284425570594 and 87284425570603.
It is not an unprimeable number, because it can be changed into a prime (87284425570663) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381072937 + ... + 1381136135.
It is an arithmetic number, because the mean of its divisors is an integer number (2929225200000).
Almost surely, 287284425570664 is an apocalyptic number.
It is an amenable number.
87284425570664 is an abundant number, since it is smaller than the sum of its proper divisors (100185987229336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87284425570664 is a wasteful number, since it uses less digits than its factorization.
87284425570664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119830 (or 119826 counting only the distinct ones).
The product of its (nonzero) digits is 722534400, while the sum is 68.
The spelling of 87284425570664 in words is "eighty-seven trillion, two hundred eighty-four billion, four hundred twenty-five million, five hundred seventy thousand, six hundred sixty-four".
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