Base | Representation |
---|---|
bin | 1111100010010… |
… | …10100000101111 |
3 | 100002020101021001 |
4 | 13301022200233 |
5 | 231331003443 |
6 | 20533221131 |
7 | 3141526555 |
oct | 761124057 |
9 | 302211231 |
10 | 130328623 |
11 | 67626907 |
12 | 377917a7 |
13 | 21002239 |
14 | 13447bd5 |
15 | b695d4d |
hex | 7c4a82f |
130328623 has 4 divisors (see below), whose sum is σ = 130546800. Its totient is φ = 130110448.
The previous prime is 130328621. The next prime is 130328629. The reversal of 130328623 is 326823031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326823031 = 23 ⋅14209697.
It is a cyclic number.
It is not a de Polignac number, because 130328623 - 21 = 130328621 is a prime.
It is a super-2 number, since 2×1303286232 = 33971099946152258, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130328591 and 130328600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130328621) 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, 108190 + ... + 109387.
It is an arithmetic number, because the mean of its divisors is an integer number (32636700).
Almost surely, 2130328623 is an apocalyptic number.
130328623 is a deficient number, since it is larger than the sum of its proper divisors (218177).
130328623 is an equidigital number, since it uses as much as digits as its factorization.
130328623 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218176.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 130328623 is about 11416.1562270319. The cubic root of 130328623 is about 507.0061984830.
The spelling of 130328623 in words is "one hundred thirty million, three hundred twenty-eight thousand, six hundred twenty-three".
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