Base | Representation |
---|---|
bin | 11011111101011010… |
… | …010000000100110010 |
3 | 2212111020102010022011 |
4 | 123331122100010302 |
5 | 442440424233020 |
6 | 21442553033134 |
7 | 2111646006142 |
oct | 337532200462 |
9 | 85436363264 |
10 | 30021321010 |
11 | 118062868aa |
12 | 599a0b57aa |
13 | 2aa591b895 |
14 | 164b1d8922 |
15 | baa93b35a |
hex | 6fd690132 |
30021321010 has 32 divisors (see below), whose sum is σ = 56188795392. Its totient is φ = 11536314240.
The previous prime is 30021320999. The next prime is 30021321019. The reversal of 30021321010 is 1012312003.
It is not an unprimeable number, because it can be changed into a prime (30021321019) 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, 310972 + ... + 395911.
It is an arithmetic number, because the mean of its divisors is an integer number (1755899856).
Almost surely, 230021321010 is an apocalyptic number.
30021321010 is a deficient number, since it is larger than the sum of its proper divisors (26167474382).
30021321010 is a wasteful number, since it uses less digits than its factorization.
30021321010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 707058.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30021321010 its reverse (1012312003), we get a palindrome (31033633013).
The spelling of 30021321010 in words is "thirty billion, twenty-one million, three hundred twenty-one thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •