Base | Representation |
---|---|
bin | 11100011010000000… |
… | …111010011100010000 |
3 | 2220201200102102022010 |
4 | 130122000322130100 |
5 | 444431302434224 |
6 | 22002334542520 |
7 | 2126564035002 |
oct | 343200723420 |
9 | 86650372263 |
10 | 30501218064 |
11 | 11a32162639 |
12 | 5ab2967a40 |
13 | 2b51185735 |
14 | 1694c3a372 |
15 | bd7b32e29 |
hex | 71a03a710 |
30501218064 has 20 divisors (see below), whose sum is σ = 78794813456. Its totient is φ = 10167072672.
The previous prime is 30501218063. The next prime is 30501218107. The reversal of 30501218064 is 46081210503.
It is not an unprimeable number, because it can be changed into a prime (30501218063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317720974 + ... + 317721069.
Almost surely, 230501218064 is an apocalyptic number.
It is an amenable number.
30501218064 is an abundant number, since it is smaller than the sum of its proper divisors (48293595392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30501218064 is a wasteful number, since it uses less digits than its factorization.
30501218064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635442054 (or 635442048 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
Adding to 30501218064 its reverse (46081210503), we get a palindrome (76582428567).
The spelling of 30501218064 in words is "thirty billion, five hundred one million, two hundred eighteen thousand, sixty-four".
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