Base | Representation |
---|---|
bin | 11011111111101010010011… |
… | …011000101001110000110001 |
3 | 121010221100102020101200011021 |
4 | 123333222103120221300301 |
5 | 112114212331314023101 |
6 | 1113505245055415441 |
7 | 34635162031540255 |
oct | 3377522330516061 |
9 | 533840366350137 |
10 | 123122005220401 |
11 | 36259827187850 |
12 | 11985a52524581 |
13 | 53914806c8485 |
14 | 22591cb726265 |
15 | e37a44de45a1 |
hex | 6ffa93629c31 |
123122005220401 has 8 divisors (see below), whose sum is σ = 134315006958144. Its totient is φ = 111929018844720.
The previous prime is 123122005220339. The next prime is 123122005220449. The reversal of 123122005220401 is 104022500221321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123122005220401 - 217 = 123122005089329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123122005220101) 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, 18637540 + ... + 24363946.
It is an arithmetic number, because the mean of its divisors is an integer number (16789375869768).
Almost surely, 2123122005220401 is an apocalyptic number.
123122005220401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
123122005220401 is a deficient number, since it is larger than the sum of its proper divisors (11193001737743).
123122005220401 is a wasteful number, since it uses less digits than its factorization.
123122005220401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7681031.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 123122005220401 its reverse (104022500221321), we get a palindrome (227144505441722).
The spelling of 123122005220401 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, five million, two hundred twenty thousand, four hundred one".
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