Base | Representation |
---|---|
bin | 11100100011100000… |
… | …11110010001100101 |
3 | 1110120101200012010201 |
4 | 32101300132101211 |
5 | 222344024231000 |
6 | 11013113350501 |
7 | 1051620305062 |
oct | 162160362145 |
9 | 43511605121 |
10 | 15330305125 |
11 | 6557615163 |
12 | 2b7a108431 |
13 | 15a40c7985 |
14 | a56045c69 |
15 | 5ead0c96a |
hex | 391c1e465 |
15330305125 has 8 divisors (see below), whose sum is σ = 19132220952. Its totient is φ = 12264244000.
The previous prime is 15330305113. The next prime is 15330305131. The reversal of 15330305125 is 52150303351.
It can be written as a sum of positive squares in 4 ways, for example, as 2743035876 + 12587269249 = 52374^2 + 112193^2 .
It is not a de Polignac number, because 15330305125 - 215 = 15330272357 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15330305093 and 15330305102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61321096 + ... + 61321345.
It is an arithmetic number, because the mean of its divisors is an integer number (2391527619).
Almost surely, 215330305125 is an apocalyptic number.
It is an amenable number.
15330305125 is a deficient number, since it is larger than the sum of its proper divisors (3801915827).
15330305125 is an equidigital number, since it uses as much as digits as its factorization.
15330305125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122642456 (or 122642446 counting only the distinct ones).
The product of its (nonzero) digits is 6750, while the sum is 28.
Adding to 15330305125 its reverse (52150303351), we get a palindrome (67480608476).
The spelling of 15330305125 in words is "fifteen billion, three hundred thirty million, three hundred five thousand, one hundred twenty-five".
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