Base | Representation |
---|---|
bin | 10011100111000010… |
… | …01110111000001001 |
3 | 1000011201100010210101 |
4 | 21303201032320021 |
5 | 133030133313441 |
6 | 4500404045401 |
7 | 521615513464 |
oct | 116341167011 |
9 | 30151303711 |
10 | 10528026121 |
11 | 4512883938 |
12 | 2059993861 |
13 | cba205c72 |
14 | 71c3322db |
15 | 419410231 |
hex | 27384ee09 |
10528026121 has 2 divisors, whose sum is σ = 10528026122. Its totient is φ = 10528026120.
The previous prime is 10528026109. The next prime is 10528026127. The reversal of 10528026121 is 12162082501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10310168521 + 217857600 = 101539^2 + 14760^2 .
It is an emirp because it is prime and its reverse (12162082501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10528026121 - 27 = 10528025993 is a prime.
It is a super-2 number, since 2×105280261212 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10528026121.
It is not a weakly prime, because it can be changed into another prime (10528026127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5264013060 + 5264013061.
It is an arithmetic number, because the mean of its divisors is an integer number (5264013061).
Almost surely, 210528026121 is an apocalyptic number.
It is an amenable number.
10528026121 is a deficient number, since it is larger than the sum of its proper divisors (1).
10528026121 is an equidigital number, since it uses as much as digits as its factorization.
10528026121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1920, while the sum is 28.
The spelling of 10528026121 in words is "ten billion, five hundred twenty-eight million, twenty-six thousand, one hundred twenty-one".
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