Base | Representation |
---|---|
bin | 11100000011010111… |
… | …000000000100101010 |
3 | 2212202012020001200201 |
4 | 130003113000010222 |
5 | 443142002213310 |
6 | 21500520222414 |
7 | 2114300254222 |
oct | 340327000452 |
9 | 85665201621 |
10 | 30121132330 |
11 | 118576595a3 |
12 | 5a0760aa0a |
13 | 2ac04c7533 |
14 | 165a57b082 |
15 | bb45a4e3a |
hex | 7035c012a |
30121132330 has 24 divisors (see below), whose sum is σ = 56023443396. Its totient is φ = 11659789440.
The previous prime is 30121132319. The next prime is 30121132343. The reversal of 30121132330 is 3323112103.
30121132330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 25975446561 + 4145685769 = 161169^2 + 64387^2 .
It is a super-2 number, since 2×301211323302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30121132298 and 30121132307.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1557567 + ... + 1576786.
Almost surely, 230121132330 is an apocalyptic number.
30121132330 is a deficient number, since it is larger than the sum of its proper divisors (25902311066).
30121132330 is a wasteful number, since it uses less digits than its factorization.
30121132330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3134422 (or 3134391 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30121132330 its reverse (3323112103), we get a palindrome (33444244433).
The spelling of 30121132330 in words is "thirty billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty".
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