Base | Representation |
---|---|
bin | 111010110101001… |
… | …001101111010110 |
3 | 2112210020102000000 |
4 | 322311021233112 |
5 | 4010133341204 |
6 | 241535032130 |
7 | 33313315110 |
oct | 7265115726 |
9 | 2483212000 |
10 | 987012054 |
11 | 467162846 |
12 | 23666b646 |
13 | 129640602 |
14 | 9512a3b0 |
15 | 5b9b8039 |
hex | 3ad49bd6 |
987012054 has 112 divisors (see below), whose sum is σ = 2565594528. Its totient is φ = 278816256.
The previous prime is 987012043. The next prime is 987012101. The reversal of 987012054 is 450210789.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 989484 + ... + 990480.
It is an arithmetic number, because the mean of its divisors is an integer number (22907094).
Almost surely, 2987012054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 987012054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282797264).
987012054 is an abundant number, since it is smaller than the sum of its proper divisors (1578582474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
987012054 is an equidigital number, since it uses as much as digits as its factorization.
987012054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121 (or 1106 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 987012054 is about 31416.7479857480. The cubic root of 987012054 is about 995.6518052728.
The spelling of 987012054 in words is "nine hundred eighty-seven million, twelve thousand, fifty-four".
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