Base | Representation |
---|---|
bin | 1000001001100010… |
… | …0001010101010100 |
3 | 12122110002210022210 |
4 | 2002120201111110 |
5 | 13434442403233 |
6 | 1001020553420 |
7 | 105131104044 |
oct | 20230412524 |
9 | 5573083283 |
10 | 2187466068 |
11 | a228496a7 |
12 | 5106b2870 |
13 | 28b263628 |
14 | 16a737724 |
15 | cc093163 |
hex | 82621554 |
2187466068 has 12 divisors (see below), whose sum is σ = 5104087520. Its totient is φ = 729155352.
The previous prime is 2187466019. The next prime is 2187466081. The reversal of 2187466068 is 8606647812.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91144408 + ... + 91144431.
Almost surely, 22187466068 is an apocalyptic number.
It is an amenable number.
2187466068 is an abundant number, since it is smaller than the sum of its proper divisors (2916621452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2187466068 is a wasteful number, since it uses less digits than its factorization.
2187466068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182288846 (or 182288844 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 48.
The square root of 2187466068 is about 46770.3545849291. The cubic root of 2187466068 is about 1298.1168133629.
The spelling of 2187466068 in words is "two billion, one hundred eighty-seven million, four hundred sixty-six thousand, sixty-eight".
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