Base | Representation |
---|---|
bin | 10010110110101010… |
… | …01101011000101101 |
3 | 222010102202002221211 |
4 | 21123111031120231 |
5 | 131212242033401 |
6 | 4352230154421 |
7 | 505560313456 |
oct | 113325153055 |
9 | 28112662854 |
10 | 10122221101 |
11 | 4324803593 |
12 | 1b65ab2a11 |
13 | c54111355 |
14 | 6c049a12d |
15 | 3e39a1951 |
hex | 25b54d62d |
10122221101 has 16 divisors (see below), whose sum is σ = 10722317760. Its totient is φ = 9528986880.
The previous prime is 10122221089. The next prime is 10122221119. The reversal of 10122221101 is 10112222101.
It is a cyclic number.
It is not a de Polignac number, because 10122221101 - 217 = 10122090029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10122221701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5093230 + ... + 5095216.
It is an arithmetic number, because the mean of its divisors is an integer number (670144860).
Almost surely, 210122221101 is an apocalyptic number.
It is an amenable number.
10122221101 is a deficient number, since it is larger than the sum of its proper divisors (600096659).
10122221101 is a wasteful number, since it uses less digits than its factorization.
10122221101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3564.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 10122221101 its reverse (10112222101), we get a palindrome (20234443202).
The spelling of 10122221101 in words is "ten billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred one".
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