Base | Representation |
---|---|
bin | 1111100000000… |
… | …01110100110100 |
3 | 100001200020212021 |
4 | 13300001310310 |
5 | 231241442100 |
6 | 20523002524 |
7 | 3136146556 |
oct | 760016464 |
9 | 301606767 |
10 | 130030900 |
11 | 6744315a |
12 | 37669444 |
13 | 20c2987c |
14 | 133ab4d6 |
15 | b637a1a |
hex | 7c01d34 |
130030900 has 18 divisors (see below), whose sum is σ = 282167270. Its totient is φ = 52012320.
The previous prime is 130030897. The next prime is 130030903. The reversal of 130030900 is 9030031.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (130030897) and next prime (130030903).
It can be written as a sum of positive squares in 3 ways, for example, as 30869136 + 99161764 = 5556^2 + 9958^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130030903) 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, 650055 + ... + 650254.
Almost surely, 2130030900 is an apocalyptic number.
130030900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130030900 is an abundant number, since it is smaller than the sum of its proper divisors (152136370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130030900 is a wasteful number, since it uses less digits than its factorization.
130030900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1300323 (or 1300316 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 130030900 is about 11403.1092251193. The cubic root of 130030900 is about 506.6198354299.
Adding to 130030900 its reverse (9030031), we get a palindrome (139060931).
The spelling of 130030900 in words is "one hundred thirty million, thirty thousand, nine hundred".
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