Base | Representation |
---|---|
bin | 10010111010000011… |
… | …110001011001011011 |
3 | 1221101211200222221000 |
4 | 102322003301121123 |
5 | 313034130420443 |
6 | 13154253520043 |
7 | 1316042136525 |
oct | 227203613133 |
9 | 57354628830 |
10 | 20301420123 |
11 | 8678693466 |
12 | 3b26aa3023 |
13 | 1bb6c81c3a |
14 | da8348a15 |
15 | 7dc45a8d3 |
hex | 4ba0f165b |
20301420123 has 32 divisors (see below), whose sum is σ = 30735313920. Its totient is φ = 13238030880.
The previous prime is 20301420121. The next prime is 20301420173. The reversal of 20301420123 is 32102410302.
It is not a de Polignac number, because 20301420123 - 21 = 20301420121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20301420096 and 20301420105.
It is not an unprimeable number, because it can be changed into a prime (20301420121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2530188 + ... + 2538198.
It is an arithmetic number, because the mean of its divisors is an integer number (960478560).
Almost surely, 220301420123 is an apocalyptic number.
20301420123 is a deficient number, since it is larger than the sum of its proper divisors (10433893797).
20301420123 is a wasteful number, since it uses less digits than its factorization.
20301420123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10064 (or 10058 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20301420123 its reverse (32102410302), we get a palindrome (52403830425).
The spelling of 20301420123 in words is "twenty billion, three hundred one million, four hundred twenty thousand, one hundred twenty-three".
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