Base | Representation |
---|---|
bin | 101000110000101011… |
… | …1100011011110000001 |
3 | 22100221022121120111212 |
4 | 1101201113203132001 |
5 | 2413231411113330 |
6 | 104113450015505 |
7 | 6216101314460 |
oct | 1214127433601 |
9 | 270838546455 |
10 | 87532910465 |
11 | 34139056220 |
12 | 14b6a717595 |
13 | 833c9767a0 |
14 | 43453b69d7 |
15 | 24249a2295 |
hex | 14615e3781 |
87532910465 has 64 divisors (see below), whose sum is σ = 141169900032. Its totient is φ = 50319360000.
The previous prime is 87532910411. The next prime is 87532910471. The reversal of 87532910465 is 56401923578.
It is a happy number.
It is not a de Polignac number, because 87532910465 - 28 = 87532910209 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5462465 + ... + 5478465.
It is an arithmetic number, because the mean of its divisors is an integer number (2205779688).
It is a 1-persistent number, because it is pandigital, but 2⋅87532910465 = 175065820930 is not.
Almost surely, 287532910465 is an apocalyptic number.
It is an amenable number.
87532910465 is a deficient number, since it is larger than the sum of its proper divisors (53636989567).
87532910465 is a wasteful number, since it uses less digits than its factorization.
87532910465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17130.
The product of its (nonzero) digits is 1814400, while the sum is 50.
The spelling of 87532910465 in words is "eighty-seven billion, five hundred thirty-two million, nine hundred ten thousand, four hundred sixty-five".
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