Base | Representation |
---|---|
bin | 111000110100011110… |
… | …1010111000101101111 |
3 | 102122221210011020201101 |
4 | 1301220331113011233 |
5 | 3444344110000421 |
6 | 132015532023531 |
7 | 11546524613362 |
oct | 1615075270557 |
9 | 378853136641 |
10 | 122020000111 |
11 | 478261220a9 |
12 | 1b794301ba7 |
13 | b677844bc9 |
14 | 5c9772a0d9 |
15 | 32924b9191 |
hex | 1c68f5716f |
122020000111 has 4 divisors (see below), whose sum is σ = 128442105400. Its totient is φ = 115597894824.
The previous prime is 122020000087. The next prime is 122020000127. The reversal of 122020000111 is 111000020221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111000020221 = 1033 ⋅107454037.
It is a cyclic number.
It is not a de Polignac number, because 122020000111 - 25 = 122020000079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122020000811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3211052616 + ... + 3211052653.
It is an arithmetic number, because the mean of its divisors is an integer number (32110526350).
Almost surely, 2122020000111 is an apocalyptic number.
122020000111 is a deficient number, since it is larger than the sum of its proper divisors (6422105289).
122020000111 is an equidigital number, since it uses as much as digits as its factorization.
122020000111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6422105288.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 122020000111 its reverse (111000020221), we get a palindrome (233020020332).
The spelling of 122020000111 in words is "one hundred twenty-two billion, twenty million, one hundred eleven", and thus it is an aban number.
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