Base | Representation |
---|---|
bin | 1001001111101101011101… |
… | …10100100100110110111100 |
3 | 2122222121220021020212001110 |
4 | 10213312232310210312330 |
5 | 10131100403341330022 |
6 | 111123534420242020 |
7 | 4165603314035412 |
oct | 447665664446674 |
9 | 78877807225043 |
10 | 20331013230012 |
11 | 6529374a38041 |
12 | 2344353240310 |
13 | b4628b397704 |
14 | 5040521db2b2 |
15 | 253cca0b500c |
hex | 127daed24dbc |
20331013230012 has 24 divisors (see below), whose sum is σ = 48969322189312. Its totient is φ = 6558391364400.
The previous prime is 20331013230007. The next prime is 20331013230023. The reversal of 20331013230012 is 21003231013302.
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, 27326630314 + ... + 27326631057.
Almost surely, 220331013230012 is an apocalyptic number.
It is an amenable number.
20331013230012 is an abundant number, since it is smaller than the sum of its proper divisors (28638308959300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331013230012 is a wasteful number, since it uses less digits than its factorization.
20331013230012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54653261409 (or 54653261407 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 20331013230012 its reverse (21003231013302), we get a palindrome (41334244243314).
The spelling of 20331013230012 in words is "twenty trillion, three hundred thirty-one billion, thirteen million, two hundred thirty thousand, twelve".
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