Base | Representation |
---|---|
bin | 11100100100111110… |
… | …100001100000010100 |
3 | 2221012111111200011011 |
4 | 130210332201200110 |
5 | 1000320344003022 |
6 | 22032505022004 |
7 | 2134256252341 |
oct | 344476414024 |
9 | 87174450134 |
10 | 30685141012 |
11 | 12016a64679 |
12 | 5b44484904 |
13 | 2b80301096 |
14 | 16b14357c8 |
15 | be8d63977 |
hex | 724fa1814 |
30685141012 has 12 divisors (see below), whose sum is σ = 53820216576. Its totient is φ = 15307936280.
The previous prime is 30685140979. The next prime is 30685141061. The reversal of 30685141012 is 21014158603.
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, 8656564 + ... + 8660107.
It is an arithmetic number, because the mean of its divisors is an integer number (4485018048).
Almost surely, 230685141012 is an apocalyptic number.
It is an amenable number.
30685141012 is a deficient number, since it is larger than the sum of its proper divisors (23135075564).
30685141012 is a wasteful number, since it uses less digits than its factorization.
30685141012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17317118 (or 17317116 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
Adding to 30685141012 its reverse (21014158603), we get a palindrome (51699299615).
The spelling of 30685141012 in words is "thirty billion, six hundred eighty-five million, one hundred forty-one thousand, twelve".
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