Base | Representation |
---|---|
bin | 11100001001111110… |
… | …110001000111110000 |
3 | 2220000221020220112012 |
4 | 130021332301013300 |
5 | 443403422021034 |
6 | 21515525222052 |
7 | 2120116426340 |
oct | 341176610760 |
9 | 86027226465 |
10 | 30232220144 |
11 | 11904333505 |
12 | 5a38861928 |
13 | 2b0a520a79 |
14 | 166b216d20 |
15 | bbe1e9cce |
hex | 709fb11f0 |
30232220144 has 40 divisors (see below), whose sum is σ = 68205857760. Its totient is φ = 12712197888.
The previous prime is 30232220111. The next prime is 30232220173. The reversal of 30232220144 is 44102223203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540579 + ... + 2552450.
It is an arithmetic number, because the mean of its divisors is an integer number (1705146444).
Almost surely, 230232220144 is an apocalyptic number.
It is an amenable number.
30232220144 is an abundant number, since it is smaller than the sum of its proper divisors (37973637616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30232220144 is a wasteful number, since it uses less digits than its factorization.
30232220144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5093097 (or 5093091 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30232220144 its reverse (44102223203), we get a palindrome (74334443347).
The spelling of 30232220144 in words is "thirty billion, two hundred thirty-two million, two hundred twenty thousand, one hundred forty-four".
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