Base | Representation |
---|---|
bin | 11100000000000010… |
… | …011110011101110000 |
3 | 2212121022101120221102 |
4 | 130000002132131300 |
5 | 443033221421034 |
6 | 21451210143532 |
7 | 2113022566064 |
oct | 340002363560 |
9 | 85538346842 |
10 | 30065420144 |
11 | 11829167171 |
12 | 59b0a21ba8 |
13 | 2ab1abc146 |
14 | 1652dd7aa4 |
15 | bae74c97e |
hex | 70009e770 |
30065420144 has 20 divisors (see below), whose sum is σ = 58696425480. Its totient is φ = 14917955520.
The previous prime is 30065420111. The next prime is 30065420213. The reversal of 30065420144 is 44102456003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7169999 + ... + 7174190.
It is an arithmetic number, because the mean of its divisors is an integer number (2934821274).
Almost surely, 230065420144 is an apocalyptic number.
It is an amenable number.
30065420144 is a deficient number, since it is larger than the sum of its proper divisors (28631005336).
30065420144 is a wasteful number, since it uses less digits than its factorization.
30065420144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14344328 (or 14344322 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 30065420144 its reverse (44102456003), we get a palindrome (74167876147).
The spelling of 30065420144 in words is "thirty billion, sixty-five million, four hundred twenty thousand, one hundred forty-four".
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