Base | Representation |
---|---|
bin | 111111010101111… |
… | …1000110100010010 |
3 | 12111010101020111121 |
4 | 1332223320310102 |
5 | 13323102343010 |
6 | 550523232454 |
7 | 103445614651 |
oct | 17653706422 |
9 | 5433336447 |
10 | 2125434130 |
11 | 9a0830136 |
12 | 4b397872a |
13 | 27b454841 |
14 | 1623cb198 |
15 | c68dd3da |
hex | 7eaf8d12 |
2125434130 has 16 divisors (see below), whose sum is σ = 3846921624. Its totient is φ = 845475840.
The previous prime is 2125434109. The next prime is 2125434131. The reversal of 2125434130 is 314345212.
It can be written as a sum of positive squares in 4 ways, for example, as 607474609 + 1517959521 = 24647^2 + 38961^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2125434095 and 2125434104.
It is not an unprimeable number, because it can be changed into a prime (2125434131) 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, 585327 + ... + 588946.
Almost surely, 22125434130 is an apocalyptic number.
2125434130 is a deficient number, since it is larger than the sum of its proper divisors (1721487494).
2125434130 is a wasteful number, since it uses less digits than its factorization.
2125434130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1174461.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 2125434130 is about 46102.4308469738. The cubic root of 2125434130 is about 1285.7283399933.
Adding to 2125434130 its reverse (314345212), we get a palindrome (2439779342).
The spelling of 2125434130 in words is "two billion, one hundred twenty-five million, four hundred thirty-four thousand, one hundred thirty".
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