Base | Representation |
---|---|
bin | 1111011111111… |
… | …11100000100010 |
3 | 100001122202211210 |
4 | 13233333200202 |
5 | 231241141120 |
6 | 20522450550 |
7 | 3136110111 |
oct | 757774042 |
9 | 301582753 |
10 | 130021410 |
11 | 67437012 |
12 | 37663a56 |
13 | 20c2545c |
14 | 133a7c78 |
15 | b634ce0 |
hex | 7bff822 |
130021410 has 32 divisors (see below), whose sum is σ = 312439680. Its totient is φ = 34629248.
The previous prime is 130021399. The next prime is 130021421. The reversal of 130021410 is 14120031.
It is a happy number.
130021410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (130021399) and next prime (130021421).
It is an unprimeable number.
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, 27286 + ... + 31694.
It is an arithmetic number, because the mean of its divisors is an integer number (9763740).
Almost surely, 2130021410 is an apocalyptic number.
130021410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130021410 is an abundant number, since it is smaller than the sum of its proper divisors (182418270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130021410 is a wasteful number, since it uses less digits than its factorization.
130021410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5402.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 130021410 is about 11402.6931029472. The cubic root of 130021410 is about 506.6075103102.
Adding to 130021410 its reverse (14120031), we get a palindrome (144141441).
The spelling of 130021410 in words is "one hundred thirty million, twenty-one thousand, four hundred ten".
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