Base | Representation |
---|---|
bin | 10010111001111111… |
… | …100010110111010111 |
3 | 1221101202121200220021 |
4 | 102321333202313113 |
5 | 313033334441043 |
6 | 13154214050011 |
7 | 1316026543105 |
oct | 227177426727 |
9 | 57352550807 |
10 | 20300312023 |
11 | 8677aa6982 |
12 | 3b26649907 |
13 | 1bb6984764 |
14 | da813ac75 |
15 | 7dc2dc3ed |
hex | 4b9fe2dd7 |
20300312023 has 4 divisors (see below), whose sum is σ = 20302153128. Its totient is φ = 20298470920.
The previous prime is 20300312009. The next prime is 20300312047. The reversal of 20300312023 is 32021300302.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20300312023 - 25 = 20300311991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20300311988 and 20300312006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20300312093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903913 + ... + 926098.
It is an arithmetic number, because the mean of its divisors is an integer number (5075538282).
Almost surely, 220300312023 is an apocalyptic number.
20300312023 is a deficient number, since it is larger than the sum of its proper divisors (1841105).
20300312023 is a wasteful number, since it uses less digits than its factorization.
20300312023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1841104.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20300312023 its reverse (32021300302), we get a palindrome (52321612325).
The spelling of 20300312023 in words is "twenty billion, three hundred million, three hundred twelve thousand, twenty-three".
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