Base | Representation |
---|---|
bin | 10010101110001100… |
… | …001100001010011000 |
3 | 1220212222000122220012 |
4 | 102232030030022120 |
5 | 312132142102222 |
6 | 13122422021052 |
7 | 1311103506353 |
oct | 225614141230 |
9 | 56788018805 |
10 | 20102300312 |
11 | 8586251836 |
12 | 3a90277788 |
13 | 1b84945473 |
14 | d89b1529a |
15 | 7c9c271e2 |
hex | 4ae30c298 |
20102300312 has 8 divisors (see below), whose sum is σ = 37691813100. Its totient is φ = 10051150152.
The previous prime is 20102300297. The next prime is 20102300353. The reversal of 20102300312 is 21300320102.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256393762 + ... + 1256393777.
Almost surely, 220102300312 is an apocalyptic number.
It is an amenable number.
20102300312 is a deficient number, since it is larger than the sum of its proper divisors (17589512788).
20102300312 is a wasteful number, since it uses less digits than its factorization.
20102300312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2512787545 (or 2512787541 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20102300312 its reverse (21300320102), we get a palindrome (41402620414).
The spelling of 20102300312 in words is "twenty billion, one hundred two million, three hundred thousand, three hundred twelve".
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