Base | Representation |
---|---|
bin | 10010101111010111… |
… | …110010111110110001 |
3 | 1220221100022121112220 |
4 | 102233113302332301 |
5 | 312202230320423 |
6 | 13124410511253 |
7 | 1311434125134 |
oct | 225727627661 |
9 | 56840277486 |
10 | 20122120113 |
11 | 8596459737 |
12 | 3a96a35529 |
13 | 1b88a94864 |
14 | d8c5d421b |
15 | 7cb83e9e3 |
hex | 4af5f2fb1 |
20122120113 has 8 divisors (see below), whose sum is σ = 27197021088. Its totient is φ = 13230982944.
The previous prime is 20122120111. The next prime is 20122120121. The reversal of 20122120113 is 31102122102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20122120113 - 21 = 20122120111 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20122120092 and 20122120101.
It is not an unprimeable number, because it can be changed into a prime (20122120111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45940695 + ... + 45941132.
It is an arithmetic number, because the mean of its divisors is an integer number (3399627636).
Almost surely, 220122120113 is an apocalyptic number.
It is an amenable number.
20122120113 is a deficient number, since it is larger than the sum of its proper divisors (7074900975).
20122120113 is an equidigital number, since it uses as much as digits as its factorization.
20122120113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91881903.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20122120113 its reverse (31102122102), we get a palindrome (51224242215).
The spelling of 20122120113 in words is "twenty billion, one hundred twenty-two million, one hundred twenty thousand, one hundred thirteen".
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