Base | Representation |
---|---|
bin | 11100000011011010… |
… | …011011001111010000 |
3 | 2212202020220200002221 |
4 | 130003122123033100 |
5 | 443142214430112 |
6 | 21500551350424 |
7 | 2114311013353 |
oct | 340332331720 |
9 | 85666820087 |
10 | 30122030032 |
11 | 11858111aa6 |
12 | 5a07982414 |
13 | 2ac0750013 |
14 | 165a73229a |
15 | bb46d0e07 |
hex | 70369b3d0 |
30122030032 has 30 divisors (see below), whose sum is σ = 59629655618. Its totient is φ = 14740550592.
The previous prime is 30122029957. The next prime is 30122030047. The reversal of 30122030032 is 23003022103.
It can be written as a sum of positive squares in only one way, i.e., 30110578576 + 11451456 = 173524^2 + 3384^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 30122029988 and 30122030015.
It is a congruent number.
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 5 ways as a sum of consecutive naturals, for example, 390783 + ... + 461470.
Almost surely, 230122030032 is an apocalyptic number.
It is an amenable number.
30122030032 is a deficient number, since it is larger than the sum of its proper divisors (29507625586).
30122030032 is an equidigital number, since it uses as much as digits as its factorization.
30122030032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 852355 (or 852302 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30122030032 its reverse (23003022103), we get a palindrome (53125052135).
The spelling of 30122030032 in words is "thirty billion, one hundred twenty-two million, thirty thousand, thirty-two".
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