Base | Representation |
---|---|
bin | 10010101001011110… |
… | …001011111111011010 |
3 | 1220200110001111120000 |
4 | 102221132023333122 |
5 | 312001410211442 |
6 | 13110513113430 |
7 | 1306122546330 |
oct | 225136137732 |
9 | 56613044500 |
10 | 20023132122 |
11 | 8545599584 |
12 | 3a69858876 |
13 | 1b71416896 |
14 | d7d3c7b50 |
15 | 7c2cd9d4c |
hex | 4a978bfda |
20023132122 has 40 divisors (see below), whose sum is σ = 51276171936. Its totient is φ = 5720894568.
The previous prime is 20023132091. The next prime is 20023132127. The reversal of 20023132122 is 22123132002.
It is a super-3 number, since 3×200231321223 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20023132095 and 20023132104.
It is not an unprimeable number, because it can be changed into a prime (20023132127) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8827408 + ... + 8829675.
Almost surely, 220023132122 is an apocalyptic number.
20023132122 is an abundant number, since it is smaller than the sum of its proper divisors (31253039814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20023132122 is a wasteful number, since it uses less digits than its factorization.
20023132122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17657104 (or 17657095 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20023132122 its reverse (22123132002), we get a palindrome (42146264124).
The spelling of 20023132122 in words is "twenty billion, twenty-three million, one hundred thirty-two thousand, one hundred twenty-two".
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