Base | Representation |
---|---|
bin | 1101010000111000… |
… | …11101111100101100 |
3 | 200101021102101201100 |
4 | 12220130131330230 |
5 | 104040434033114 |
6 | 3134335443100 |
7 | 341315343414 |
oct | 65034357454 |
9 | 20337371640 |
10 | 7121002284 |
11 | 3024690460 |
12 | 1468986490 |
13 | 8963c1126 |
14 | 4b7a57644 |
15 | 2ba26b909 |
hex | 1a871df2c |
7121002284 has 36 divisors (see below), whose sum is σ = 19636704360. Its totient is φ = 2157879360.
The previous prime is 7121002271. The next prime is 7121002337. The reversal of 7121002284 is 4822001217.
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8990769 + ... + 8991560.
It is an arithmetic number, because the mean of its divisors is an integer number (545464010).
Almost surely, 27121002284 is an apocalyptic number.
It is an amenable number.
7121002284 is an abundant number, since it is smaller than the sum of its proper divisors (12515702076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7121002284 is a wasteful number, since it uses less digits than its factorization.
7121002284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17982350 (or 17982345 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 7121002284 is about 84386.0313322057. The cubic root of 7121002284 is about 1923.8906102488.
The spelling of 7121002284 in words is "seven billion, one hundred twenty-one million, two thousand, two hundred eighty-four".
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