Base | Representation |
---|---|
bin | 1000001001011101… |
… | …0001000001000000 |
3 | 12122102111002001100 |
4 | 2002113101001000 |
5 | 13434401341323 |
6 | 1001005534400 |
7 | 105125233653 |
oct | 20227210100 |
9 | 5572432040 |
10 | 2187137088 |
11 | a22644514 |
12 | 510574400 |
13 | 28b179976 |
14 | 16a68d89a |
15 | cc02a943 |
hex | 825d1040 |
2187137088 has 42 divisors (see below), whose sum is σ = 6269035214. Its totient is φ = 729045504.
The previous prime is 2187137083. The next prime is 2187137153. The reversal of 2187137088 is 8807317812.
It can be written as a sum of positive squares in only one way, i.e., 1768034304 + 419102784 = 42048^2 + 20472^2 .
It is not an unprimeable number, because it can be changed into a prime (2187137083) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1897981 + ... + 1899132.
Almost surely, 22187137088 is an apocalyptic number.
It is an amenable number.
2187137088 is an abundant number, since it is smaller than the sum of its proper divisors (4081898126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2187137088 is a wasteful number, since it uses less digits than its factorization.
2187137088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3797131 (or 3797118 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 45.
The square root of 2187137088 is about 46766.8374812751. The cubic root of 2187137088 is about 1298.0517341241.
The spelling of 2187137088 in words is "two billion, one hundred eighty-seven million, one hundred thirty-seven thousand, eighty-eight".
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