Base | Representation |
---|---|
bin | 1000000001110110… |
… | …0100010011010100 |
3 | 12120012110020221121 |
4 | 2000131210103110 |
5 | 13403220001031 |
6 | 553510053324 |
7 | 104260122361 |
oct | 20035442324 |
9 | 5505406847 |
10 | 2155234516 |
11 | a06634656 |
12 | 50194a244 |
13 | 2846899c6 |
14 | 166347468 |
15 | c9328011 |
hex | 807644d4 |
2155234516 has 12 divisors (see below), whose sum is σ = 3775967188. Its totient is φ = 1076386752.
The previous prime is 2155234511. The next prime is 2155234531. The reversal of 2155234516 is 6154325512.
It can be written as a sum of positive squares in 2 ways, for example, as 1082410000 + 1072824516 = 32900^2 + 32754^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2155234511) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303681 + ... + 310696.
Almost surely, 22155234516 is an apocalyptic number.
It is an amenable number.
2155234516 is a deficient number, since it is larger than the sum of its proper divisors (1620732672).
2155234516 is a wasteful number, since it uses less digits than its factorization.
2155234516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615258 (or 615256 counting only the distinct ones).
The product of its digits is 36000, while the sum is 34.
The square root of 2155234516 is about 46424.5034006827. The cubic root of 2155234516 is about 1291.7094729308.
The spelling of 2155234516 in words is "two billion, one hundred fifty-five million, two hundred thirty-four thousand, five hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •