Base | Representation |
---|---|
bin | 11011110010101100100101… |
… | …111001001001000001011101 |
3 | 121000210011212012212222101102 |
4 | 123302230211321021001131 |
5 | 112010113303130404041 |
6 | 1111544110255322445 |
7 | 34513622565323522 |
oct | 3362544571110135 |
9 | 530704765788342 |
10 | 122231110013021 |
11 | 35a45a17053459 |
12 | 1186125b520425 |
13 | 5328462320729 |
14 | 2228035633149 |
15 | e1e7a1d9409b |
hex | 6f2b25e4905d |
122231110013021 has 8 divisors (see below), whose sum is σ = 122480199744000. Its totient is φ = 121982170386960.
The previous prime is 122231110012981. The next prime is 122231110013039. The reversal of 122231110013021 is 120310011132221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122231110013021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122231110012984 and 122231110013002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122231110013821) 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, 35895890 + ... + 39153251.
It is an arithmetic number, because the mean of its divisors is an integer number (15310024968000).
Almost surely, 2122231110013021 is an apocalyptic number.
It is an amenable number.
122231110013021 is a deficient number, since it is larger than the sum of its proper divisors (249089730979).
122231110013021 is an equidigital number, since it uses as much as digits as its factorization.
122231110013021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75052459.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 122231110013021 its reverse (120310011132221), we get a palindrome (242541121145242).
The spelling of 122231110013021 in words is "one hundred twenty-two trillion, two hundred thirty-one billion, one hundred ten million, thirteen thousand, twenty-one".
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