Base | Representation |
---|---|
bin | 1001001001101000101101… |
… | …00111110000000100011101 |
3 | 2122020200011202221022200100 |
4 | 10210310112213300010131 |
5 | 10114140433113113041 |
6 | 110444020235251313 |
7 | 4144534245644463 |
oct | 444642647600435 |
9 | 78220152838610 |
10 | 20122301301021 |
11 | 6458902551727 |
12 | 230ba05ba9b39 |
13 | b2c6a91aa48a |
14 | 4d7cd3090833 |
15 | 24d661db86b6 |
hex | 124d169f011d |
20122301301021 has 12 divisors (see below), whose sum is σ = 30775284342972. Its totient is φ = 12625757678976.
The previous prime is 20122301301019. The next prime is 20122301301023. The reversal of 20122301301021 is 12010310322102.
20122301301021 is a `hidden beast` number, since 20 + 1 + 22 + 301 + 301 + 0 + 21 = 666.
It is an interprime number because it is at equal distance from previous prime (20122301301019) and next prime (20122301301023).
It can be written as a sum of positive squares in 2 ways, for example, as 7147976544900 + 12974324756121 = 2673570^2 + 3601989^2 .
It is not a de Polignac number, because 20122301301021 - 21 = 20122301301019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20122301300985 and 20122301301003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122301301023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65759154426 + ... + 65759154731.
It is an arithmetic number, because the mean of its divisors is an integer number (2564607028581).
Almost surely, 220122301301021 is an apocalyptic number.
It is an amenable number.
20122301301021 is a deficient number, since it is larger than the sum of its proper divisors (10652983041951).
20122301301021 is a wasteful number, since it uses less digits than its factorization.
20122301301021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131518309180 (or 131518309177 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 20122301301021 its reverse (12010310322102), we get a palindrome (32132611623123).
The spelling of 20122301301021 in words is "twenty trillion, one hundred twenty-two billion, three hundred one million, three hundred one thousand, twenty-one".
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