Base | Representation |
---|---|
bin | 110000111101001011… |
… | …0110011000111111001 |
3 | 101001100211102120021011 |
4 | 1201322112303013321 |
5 | 3210302243341100 |
6 | 120144051513521 |
7 | 10411161233455 |
oct | 1417226630771 |
9 | 331324376234 |
10 | 105132012025 |
11 | 4064a309757 |
12 | 184605b88a1 |
13 | 9bb5b0c851 |
14 | 5134887665 |
15 | 2b04a6abba |
hex | 187a5b31f9 |
105132012025 has 6 divisors (see below), whose sum is σ = 130363694942. Its totient is φ = 84105609600.
The previous prime is 105132012023. The next prime is 105132012131. The reversal of 105132012025 is 520210231501.
It can be written as a sum of positive squares in 3 ways, for example, as 19229091561 + 85902920464 = 138669^2 + 293092^2 .
It is not a de Polignac number, because 105132012025 - 21 = 105132012023 is a prime.
It is a super-2 number, since 2×1051320120252 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105132011987 and 105132012005.
It is not an unprimeable number, because it can be changed into a prime (105132012023) 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, 2102640216 + ... + 2102640265.
Almost surely, 2105132012025 is an apocalyptic number.
It is an amenable number.
105132012025 is a deficient number, since it is larger than the sum of its proper divisors (25231682917).
105132012025 is an equidigital number, since it uses as much as digits as its factorization.
105132012025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4205280491 (or 4205280486 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
Adding to 105132012025 its reverse (520210231501), we get a palindrome (625342243526).
The spelling of 105132012025 in words is "one hundred five billion, one hundred thirty-two million, twelve thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •