Base | Representation |
---|---|
bin | 10010101111010111… |
… | …110110001000011100 |
3 | 1220221100100021020221 |
4 | 102233113312020130 |
5 | 312202231224040 |
6 | 13124411051124 |
7 | 1311434210563 |
oct | 225727661034 |
9 | 56840307227 |
10 | 20122133020 |
11 | 8596468400 |
12 | 3a96a40aa4 |
13 | 1b88a9a6b2 |
14 | d8c5d8bda |
15 | 7cb84374a |
hex | 4af5f621c |
20122133020 has 36 divisors (see below), whose sum is σ = 46447210152. Its totient is φ = 7317138400.
The previous prime is 20122132999. The next prime is 20122133051. The reversal of 20122133020 is 2033122102.
It is a junction number, because it is equal to n+sod(n) for n = 20122132985 and 20122133003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4155046 + ... + 4159885.
It is an arithmetic number, because the mean of its divisors is an integer number (1290200282).
Almost surely, 220122133020 is an apocalyptic number.
20122133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20122133020 is an abundant number, since it is smaller than the sum of its proper divisors (26325077132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122133020 is a wasteful number, since it uses less digits than its factorization.
20122133020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8314962 (or 8314949 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20122133020 its reverse (2033122102), we get a palindrome (22155255122).
The spelling of 20122133020 in words is "twenty billion, one hundred twenty-two million, one hundred thirty-three thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •