Base | Representation |
---|---|
bin | 1000000001111001… |
… | …1011011100110011 |
3 | 12120012212201210210 |
4 | 2000132123130303 |
5 | 13403244213103 |
6 | 553514555203 |
7 | 104262053055 |
oct | 20036333463 |
9 | 5505781723 |
10 | 2155460403 |
11 | a06779338 |
12 | 501a38b03 |
13 | 284738775 |
14 | 1663a58d5 |
15 | c936ee03 |
hex | 8079b733 |
2155460403 has 8 divisors (see below), whose sum is σ = 2888994816. Its totient is φ = 1429449800.
The previous prime is 2155460389. The next prime is 2155460407. The reversal of 2155460403 is 3040645512.
2155460403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2155460403 - 210 = 2155459379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2155460407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880283 + ... + 1881428.
It is an arithmetic number, because the mean of its divisors is an integer number (361124352).
Almost surely, 22155460403 is an apocalyptic number.
2155460403 is a deficient number, since it is larger than the sum of its proper divisors (733534413).
2155460403 is a wasteful number, since it uses less digits than its factorization.
2155460403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3761905.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 2155460403 is about 46426.9361793345. The cubic root of 2155460403 is about 1291.7545987523.
The spelling of 2155460403 in words is "two billion, one hundred fifty-five million, four hundred sixty thousand, four hundred three".
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