Base | Representation |
---|---|
bin | 11011101111011111100111… |
… | …101100101100100000101100 |
3 | 121000000010202222210001010002 |
4 | 123233133213230230200230 |
5 | 111443012033421343040 |
6 | 1111255031300003432 |
7 | 34462001616462050 |
oct | 3357374754544054 |
9 | 530003688701102 |
10 | 122011023231020 |
11 | 3597064787a680 |
12 | 11826678990578 |
13 | 5310789660641 |
14 | 221b517919c60 |
15 | e18bc0260a15 |
hex | 6ef7e7b2c82c |
122011023231020 has 96 divisors (see below), whose sum is σ = 328080746649600. Its totient is φ = 37001587933440.
The previous prime is 122011023231017. The next prime is 122011023231037. The reversal of 122011023231020 is 20132320110221.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 122011023230983 and 122011023231001.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1070590820 + ... + 1070704779.
It is an arithmetic number, because the mean of its divisors is an integer number (3417507777600).
Almost surely, 2122011023231020 is an apocalyptic number.
122011023231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122011023231020 is an abundant number, since it is smaller than the sum of its proper divisors (206069723418580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122011023231020 is a wasteful number, since it uses less digits than its factorization.
122011023231020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2141295663 (or 2141295661 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 122011023231020 its reverse (20132320110221), we get a palindrome (142143343341241).
The spelling of 122011023231020 in words is "one hundred twenty-two trillion, eleven billion, twenty-three million, two hundred thirty-one thousand, twenty".
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