Base | Representation |
---|---|
bin | 11101101101110011000… |
… | …11000010101011011010 |
3 | 10121121102122200020122020 |
4 | 32312321203002223122 |
5 | 113212022134020442 |
6 | 2101014502435310 |
7 | 133523555450430 |
oct | 16667143025332 |
9 | 3547378606566 |
10 | 1021020220122 |
11 | 364015329441 |
12 | 145a69732b36 |
13 | 75388140006 |
14 | 375bc020d50 |
15 | 1b85bd599ec |
hex | edb98c2ada |
1021020220122 has 16 divisors (see below), whose sum is σ = 2333760503232. Its totient is φ = 291720062880.
The previous prime is 1021020220117. The next prime is 1021020220139. The reversal of 1021020220122 is 2210220201201.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12155002579 + ... + 12155002662.
It is an arithmetic number, because the mean of its divisors is an integer number (145860031452).
Almost surely, 21021020220122 is an apocalyptic number.
1021020220122 is an abundant number, since it is smaller than the sum of its proper divisors (1312740283110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1021020220122 is a wasteful number, since it uses less digits than its factorization.
1021020220122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24310005253.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1021020220122 its reverse (2210220201201), we get a palindrome (3231240421323).
The spelling of 1021020220122 in words is "one trillion, twenty-one billion, twenty million, two hundred twenty thousand, one hundred twenty-two".
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