Base | Representation |
---|---|
bin | 10010110110100010… |
… | …00011000001110101 |
3 | 222010100200200101102 |
4 | 21123101003001311 |
5 | 131212002130401 |
6 | 4352150535445 |
7 | 505545120635 |
oct | 113321030165 |
9 | 28110620342 |
10 | 10121130101 |
11 | 4324128935 |
12 | 1b65667585 |
13 | c53b1b8a4 |
14 | 6c02946c5 |
15 | 3e383856b |
hex | 25b443075 |
10121130101 has 4 divisors (see below), whose sum is σ = 10143277452. Its totient is φ = 10098982752.
The previous prime is 10121130073. The next prime is 10121130113. The reversal of 10121130101 is 10103112101.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3298204900 + 6822925201 = 57430^2 + 82601^2 .
It is a cyclic number.
It is not a de Polignac number, because 10121130101 - 210 = 10121129077 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 (10121130401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11072990 + ... + 11073903.
It is an arithmetic number, because the mean of its divisors is an integer number (2535819363).
Almost surely, 210121130101 is an apocalyptic number.
It is an amenable number.
10121130101 is a deficient number, since it is larger than the sum of its proper divisors (22147351).
10121130101 is an equidigital number, since it uses as much as digits as its factorization.
10121130101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22147350.
The product of its (nonzero) digits is 6, while the sum is 11.
Adding to 10121130101 its reverse (10103112101), we get a palindrome (20224242202).
The spelling of 10121130101 in words is "ten billion, one hundred twenty-one million, one hundred thirty thousand, one hundred one".
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