Base | Representation |
---|---|
bin | 11100000100000101… |
… | …110110000100011000 |
3 | 2212210001022221101202 |
4 | 130010011312010120 |
5 | 443203123141440 |
6 | 21502035333332 |
7 | 2114506530320 |
oct | 340405660430 |
9 | 85701287352 |
10 | 30133412120 |
11 | 11863586589 |
12 | 5a0b751248 |
13 | 2ac2c06996 |
14 | 165c056280 |
15 | bb56cd615 |
hex | 704176118 |
30133412120 has 64 divisors (see below), whose sum is σ = 77536742400. Its totient is φ = 10324679040.
The previous prime is 30133412087. The next prime is 30133412123. The reversal of 30133412120 is 2121433103.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 30133412092 and 30133412101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30133412123) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 402005 + ... + 471035.
It is an arithmetic number, because the mean of its divisors is an integer number (1211511600).
Almost surely, 230133412120 is an apocalyptic number.
It is an amenable number.
30133412120 is an abundant number, since it is smaller than the sum of its proper divisors (47403330280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30133412120 is a wasteful number, since it uses less digits than its factorization.
30133412120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70608 (or 70604 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 30133412120 its reverse (2121433103), we get a palindrome (32254845223).
The spelling of 30133412120 in words is "thirty billion, one hundred thirty-three million, four hundred twelve thousand, one hundred twenty".
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