Base | Representation |
---|---|
bin | 101000110000101111… |
… | …0000111100000000000 |
3 | 22100221102211222112010 |
4 | 1101201132013200000 |
5 | 2413232331142122 |
6 | 104113550532520 |
7 | 6216122041401 |
oct | 1214136074000 |
9 | 270842758463 |
10 | 87534630912 |
11 | 3413a020883 |
12 | 14b6b207140 |
13 | 83401298c1 |
14 | 43457039a8 |
15 | 2424be1e0c |
hex | 1461787800 |
87534630912 has 96 divisors (see below), whose sum is σ = 247096558800. Its totient is φ = 27461812224.
The previous prime is 87534630907. The next prime is 87534630919. The reversal of 87534630912 is 21903643578.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87534630919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314587 + ... + 523482.
It is a 1-persistent number, because it is pandigital, but 2⋅87534630912 = 175069261824 is not.
Almost surely, 287534630912 is an apocalyptic number.
It is an amenable number.
87534630912 is an abundant number, since it is smaller than the sum of its proper divisors (159561927888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87534630912 is a wasteful number, since it uses less digits than its factorization.
87534630912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 838111 (or 838091 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 48.
The spelling of 87534630912 in words is "eighty-seven billion, five hundred thirty-four million, six hundred thirty thousand, nine hundred twelve".
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