Base | Representation |
---|---|
bin | 10010101111010111… |
… | …011000011001010011 |
3 | 1220221100010002011210 |
4 | 102233113120121103 |
5 | 312202213324334 |
6 | 13124404311203 |
7 | 1311433162512 |
oct | 225727303123 |
9 | 56840102153 |
10 | 20122011219 |
11 | 8596394942 |
12 | 3a969a2503 |
13 | 1b88a5711b |
14 | d8c5a6679 |
15 | 7cb81c5e9 |
hex | 4af5d8653 |
20122011219 has 8 divisors (see below), whose sum is σ = 27995841792. Its totient is φ = 12831427400.
The previous prime is 20122011149. The next prime is 20122011229. The reversal of 20122011219 is 91211022102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20122011219 - 29 = 20122010707 is a prime.
It is a super-2 number, since 2×201220112192 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20122011195 and 20122011204.
It is not an unprimeable number, because it can be changed into a prime (20122011229) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 145811607 + ... + 145811744.
It is an arithmetic number, because the mean of its divisors is an integer number (3499480224).
Almost surely, 220122011219 is an apocalyptic number.
20122011219 is a deficient number, since it is larger than the sum of its proper divisors (7873830573).
20122011219 is a wasteful number, since it uses less digits than its factorization.
20122011219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291623377.
The product of its (nonzero) digits is 144, while the sum is 21.
The spelling of 20122011219 in words is "twenty billion, one hundred twenty-two million, eleven thousand, two hundred nineteen".
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