Base | Representation |
---|---|
bin | 10011000001001001… |
… | …00001000110100101 |
3 | 222100120010211201100 |
4 | 21200210201012211 |
5 | 131402242320401 |
6 | 4405050150313 |
7 | 511005405666 |
oct | 114044410645 |
9 | 28316124640 |
10 | 10210120101 |
11 | 436a38a395 |
12 | 1b8b422399 |
13 | c693a8bac |
14 | 6cc01b36d |
15 | 3eb565b86 |
hex | 2609211a5 |
10210120101 has 6 divisors (see below), whose sum is σ = 14747951270. Its totient is φ = 6806746728.
The previous prime is 10210120099. The next prime is 10210120121. The reversal of 10210120101 is 10102101201.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 6492169476 + 3717950625 = 80574^2 + 60975^2 .
It is not a de Polignac number, because 10210120101 - 21 = 10210120099 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1134457789 = 10210120101 / (1 + 0 + 2 + 1 + 0 + 1 + 2 + 0 + 1 + 0 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10210120121) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567228886 + ... + 567228903.
Almost surely, 210210120101 is an apocalyptic number.
It is an amenable number.
10210120101 is a deficient number, since it is larger than the sum of its proper divisors (4537831169).
10210120101 is a wasteful number, since it uses less digits than its factorization.
10210120101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1134457795 (or 1134457792 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 10210120101 its reverse (10102101201), we get a palindrome (20312221302).
The spelling of 10210120101 in words is "ten billion, two hundred ten million, one hundred twenty thousand, one hundred one".
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