Base | Representation |
---|---|
bin | 11100001000101110… |
… | …010010011101000100 |
3 | 2212222110120001200221 |
4 | 130020232102131010 |
5 | 443333021414022 |
6 | 21513453114124 |
7 | 2116442210560 |
oct | 341056223504 |
9 | 85873501627 |
10 | 30211123012 |
11 | 118a3433964 |
12 | 5a31788944 |
13 | 2b06045165 |
14 | 16684c46a0 |
15 | bbc42dcc7 |
hex | 708b92744 |
30211123012 has 24 divisors (see below), whose sum is σ = 60427056704. Its totient is φ = 12946593312.
The previous prime is 30211123009. The next prime is 30211123021. The reversal of 30211123012 is 21032111203.
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, 392443 + ... + 463069.
Almost surely, 230211123012 is an apocalyptic number.
It is an amenable number.
30211123012 is an abundant number, since it is smaller than the sum of its proper divisors (30215933692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211123012 is a wasteful number, since it uses less digits than its factorization.
30211123012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85915 (or 85913 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30211123012 its reverse (21032111203), we get a palindrome (51243234215).
The spelling of 30211123012 in words is "thirty billion, two hundred eleven million, one hundred twenty-three thousand, twelve".
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