Base | Representation |
---|---|
bin | 11100000011010100… |
… | …010110011101111110 |
3 | 2212202010220202202002 |
4 | 130003110112131332 |
5 | 443141313001010 |
6 | 21500453302302 |
7 | 2114261331653 |
oct | 340324263576 |
9 | 85663822662 |
10 | 30120437630 |
11 | 11857224668 |
12 | 5a07334992 |
13 | 2ac031327a |
14 | 165a439c2a |
15 | bb44b91a5 |
hex | 70351677e |
30120437630 has 8 divisors (see below), whose sum is σ = 54216787752. Its totient is φ = 12048175048.
The previous prime is 30120437623. The next prime is 30120437689. The reversal of 30120437630 is 3673402103.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30120437593 and 30120437602.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506021872 + ... + 1506021891.
It is an arithmetic number, because the mean of its divisors is an integer number (6777098469).
Almost surely, 230120437630 is an apocalyptic number.
30120437630 is a deficient number, since it is larger than the sum of its proper divisors (24096350122).
30120437630 is a wasteful number, since it uses less digits than its factorization.
30120437630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3012043770.
The product of its (nonzero) digits is 9072, while the sum is 29.
Adding to 30120437630 its reverse (3673402103), we get a palindrome (33793839733).
The spelling of 30120437630 in words is "thirty billion, one hundred twenty million, four hundred thirty-seven thousand, six hundred thirty".
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