Base | Representation |
---|---|
bin | 1010000111010110… |
… | …11010001010011001 |
3 | 112000110021220222011 |
4 | 11003223122022121 |
5 | 42110141420441 |
6 | 2254504425521 |
7 | 251366544430 |
oct | 50353321231 |
9 | 15013256864 |
10 | 5430420121 |
11 | 2337370015 |
12 | 10767782a1 |
13 | 687091459 |
14 | 397304117 |
15 | 21bb28581 |
hex | 143ada299 |
5430420121 has 16 divisors (see below), whose sum is σ = 6430492800. Its totient is φ = 4489400448.
The previous prime is 5430420119. The next prime is 5430420131. The reversal of 5430420121 is 1210240345.
5430420121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 5430420121 - 21 = 5430420119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 5430420092 and 5430420101.
It is not an unprimeable number, because it can be changed into a prime (5430420131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102156 + ... + 145933.
It is an arithmetic number, because the mean of its divisors is an integer number (401905800).
Almost surely, 25430420121 is an apocalyptic number.
It is an amenable number.
5430420121 is a deficient number, since it is larger than the sum of its proper divisors (1000072679).
5430420121 is a wasteful number, since it uses less digits than its factorization.
5430420121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248208.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 5430420121 is about 73691.3843064439. The cubic root of 5430420121 is about 1757.6988824504.
Adding to 5430420121 its reverse (1210240345), we get a palindrome (6640660466).
The spelling of 5430420121 in words is "five billion, four hundred thirty million, four hundred twenty thousand, one hundred twenty-one".
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