Base | Representation |
---|---|
bin | 1001100011100011… |
… | …10011001100101010 |
3 | 111020112012100221200 |
4 | 10301301303030222 |
5 | 41001301340032 |
6 | 2205015545030 |
7 | 241062115134 |
oct | 46161631452 |
9 | 14215170850 |
10 | 5130105642 |
11 | 21a28a1332 |
12 | bb208b176 |
13 | 639ab348c |
14 | 36948c054 |
15 | 2005a647c |
hex | 131c7332a |
5130105642 has 12 divisors (see below), whose sum is σ = 11115228930. Its totient is φ = 1710035208.
The previous prime is 5130105641. The next prime is 5130105731. The reversal of 5130105642 is 2465010315.
5130105642 is a `hidden beast` number, since 5 + 1 + 3 + 0 + 10 + 5 + 642 = 666.
It can be written as a sum of positive squares in only one way, i.e., 5090679801 + 39425841 = 71349^2 + 6279^2 .
It is not an unprimeable number, because it can be changed into a prime (5130105641) 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, 142502917 + ... + 142502952.
Almost surely, 25130105642 is an apocalyptic number.
5130105642 is an abundant number, since it is smaller than the sum of its proper divisors (5985123288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5130105642 is a wasteful number, since it uses less digits than its factorization.
5130105642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285005877 (or 285005874 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 5130105642 is about 71624.7557901596. The cubic root of 5130105642 is about 1724.6809622959.
Adding to 5130105642 its reverse (2465010315), we get a palindrome (7595115957).
The spelling of 5130105642 in words is "five billion, one hundred thirty million, one hundred five thousand, six hundred forty-two".
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