Base | Representation |
---|---|
bin | 100110100100… |
… | …111000001001 |
3 | 201000202202211 |
4 | 212210320021 |
5 | 10042100041 |
6 | 1000425121 |
7 | 151645366 |
oct | 46447011 |
9 | 21022684 |
10 | 10112521 |
11 | 5787761 |
12 | 34781a1 |
13 | 2130b53 |
14 | 14b346d |
15 | d4b481 |
hex | 9a4e09 |
10112521 has 2 divisors, whose sum is σ = 10112522. Its totient is φ = 10112520.
The previous prime is 10112513. The next prime is 10112533. The reversal of 10112521 is 12521101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10112400 + 121 = 3180^2 + 11^2 .
It is an emirp because it is prime and its reverse (12521101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10112521 - 23 = 10112513 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (10112591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056260 + 5056261.
It is an arithmetic number, because the mean of its divisors is an integer number (5056261).
Almost surely, 210112521 is an apocalyptic number.
It is an amenable number.
10112521 is a deficient number, since it is larger than the sum of its proper divisors (1).
10112521 is an equidigital number, since it uses as much as digits as its factorization.
10112521 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20, while the sum is 13.
The square root of 10112521 is about 3180.0190251003. The cubic root of 10112521 is about 216.2485208225.
Adding to 10112521 its reverse (12521101), we get a palindrome (22633622).
It can be divided in two parts, 101 and 12521, that multiplied together give a palindrome (1264621).
The spelling of 10112521 in words is "ten million, one hundred twelve thousand, five hundred twenty-one".
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