Base | Representation |
---|---|
bin | 111000110100001011… |
… | …1100110100100000101 |
3 | 102122221002112101002110 |
4 | 1301220113212210011 |
5 | 3444334041231041 |
6 | 132014535531233 |
7 | 11546344520103 |
oct | 1615027464405 |
9 | 378832471073 |
10 | 122010102021 |
11 | 47820581565 |
12 | 1b790b29b19 |
13 | b67578a852 |
14 | 5c962b0c73 |
15 | 32916b1516 |
hex | 1c685e6905 |
122010102021 has 8 divisors (see below), whose sum is σ = 162694295104. Its totient is φ = 81332988480.
The previous prime is 122010101977. The next prime is 122010102031. The reversal of 122010102021 is 120201010221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122010102021 - 27 = 122010101893 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122010101988 and 122010102006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122010102031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729540 + ... + 1798701.
It is an arithmetic number, because the mean of its divisors is an integer number (20336786888).
Almost surely, 2122010102021 is an apocalyptic number.
It is an amenable number.
122010102021 is a deficient number, since it is larger than the sum of its proper divisors (40684193083).
122010102021 is a wasteful number, since it uses less digits than its factorization.
122010102021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3539771.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 122010102021 its reverse (120201010221), we get a palindrome (242211112242).
The spelling of 122010102021 in words is "one hundred twenty-two billion, ten million, one hundred two thousand, twenty-one".
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