Base | Representation |
---|---|
bin | 110001111110… |
… | …001111111110 |
3 | 220122112212022 |
4 | 301332033332 |
5 | 11323200110 |
6 | 1144440142 |
7 | 216230336 |
oct | 61761776 |
9 | 26575768 |
10 | 13100030 |
11 | 7438279 |
12 | 4479052 |
13 | 29388c8 |
14 | 1a500c6 |
15 | 123b755 |
hex | c7e3fe |
13100030 has 32 divisors (see below), whose sum is σ = 25147584. Its totient is φ = 4896256.
The previous prime is 13100027. The next prime is 13100039. The reversal of 13100030 is 3000131.
It is a super-2 number, since 2×131000302 = 343221572001800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13099990 and 13100017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13100039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44564 + ... + 44856.
It is an arithmetic number, because the mean of its divisors is an integer number (785862).
Almost surely, 213100030 is an apocalyptic number.
13100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13100030 is a deficient number, since it is larger than the sum of its proper divisors (12047554).
13100030 is a wasteful number, since it uses less digits than its factorization.
13100030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 580.
The product of its (nonzero) digits is 9, while the sum is 8.
The square root of 13100030 is about 3619.3963585106. The cubic root of 13100030 is about 235.7350157115.
Adding to 13100030 its reverse (3000131), we get a palindrome (16100161).
The spelling of 13100030 in words is "thirteen million, one hundred thousand, thirty".
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