Base | Representation |
---|---|
bin | 10010110110101011… |
… | …00000101001110101 |
3 | 222010102220010012210 |
4 | 21123111200221311 |
5 | 131212302100041 |
6 | 4352232004033 |
7 | 505561062531 |
oct | 113325405165 |
9 | 28112803183 |
10 | 10122300021 |
11 | 4324857909 |
12 | 1b65b30619 |
13 | c5413b252 |
14 | 6c04babc1 |
15 | 3e39ba016 |
hex | 25b560a75 |
10122300021 has 16 divisors (see below), whose sum is σ = 14321608704. Its totient is φ = 6337334784.
The previous prime is 10122300011. The next prime is 10122300043. The reversal of 10122300021 is 12000322101.
10122300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10122300021 - 219 = 10121775733 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10122300011) 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 15 ways as a sum of consecutive naturals, for example, 193845 + ... + 240458.
It is an arithmetic number, because the mean of its divisors is an integer number (895100544).
Almost surely, 210122300021 is an apocalyptic number.
It is an amenable number.
10122300021 is a deficient number, since it is larger than the sum of its proper divisors (4199308683).
10122300021 is a wasteful number, since it uses less digits than its factorization.
10122300021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434780.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 10122300021 its reverse (12000322101), we get a palindrome (22122622122).
The spelling of 10122300021 in words is "ten billion, one hundred twenty-two million, three hundred thousand, twenty-one".
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