Base | Representation |
---|---|
bin | 10010101111011100… |
… | …010101100011011110 |
3 | 1220221102120002011222 |
4 | 102233130111203132 |
5 | 312203031412202 |
6 | 13124452213342 |
7 | 1311450213104 |
oct | 225734254336 |
9 | 56842502158 |
10 | 20123310302 |
11 | 85970a1967 |
12 | 3a9730a252 |
13 | 1b890c0504 |
14 | d8c823c74 |
15 | 7cb9c74a2 |
hex | 4af7158de |
20123310302 has 8 divisors (see below), whose sum is σ = 31158674112. Its totient is φ = 9737085600.
The previous prime is 20123310281. The next prime is 20123310341. The reversal of 20123310302 is 20301332102.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 162284699 + ... + 162284822.
It is an arithmetic number, because the mean of its divisors is an integer number (3894834264).
Almost surely, 220123310302 is an apocalyptic number.
20123310302 is a deficient number, since it is larger than the sum of its proper divisors (11035363810).
20123310302 is a wasteful number, since it uses less digits than its factorization.
20123310302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324569554.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20123310302 its reverse (20301332102), we get a palindrome (40424642404).
The spelling of 20123310302 in words is "twenty billion, one hundred twenty-three million, three hundred ten thousand, three hundred two".
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