Base | Representation |
---|---|
bin | 10010110110101000… |
… | …11001111000001101 |
3 | 222010102100101112220 |
4 | 21123110121320031 |
5 | 131212213311000 |
6 | 4352221445553 |
7 | 505555444413 |
oct | 113324317015 |
9 | 28112311486 |
10 | 10122010125 |
11 | 432467a027 |
12 | 1b65a108b9 |
13 | c54069306 |
14 | 6c04432b3 |
15 | 3e395e1a0 |
hex | 25b519e0d |
10122010125 has 32 divisors (see below), whose sum is σ = 17729512320. Its totient is φ = 5114275200.
The previous prime is 10122010111. The next prime is 10122010127. The reversal of 10122010125 is 52101022101.
10122010125 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10122010125 - 26 = 10122010061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10122010127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703192 + ... + 717441.
It is an arithmetic number, because the mean of its divisors is an integer number (554047260).
Almost surely, 210122010125 is an apocalyptic number.
10122010125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10122010125 is a deficient number, since it is larger than the sum of its proper divisors (7607502195).
10122010125 is a wasteful number, since it uses less digits than its factorization.
10122010125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1420670 (or 1420660 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 15.
Adding to 10122010125 its reverse (52101022101), we get a palindrome (62223032226).
The spelling of 10122010125 in words is "ten billion, one hundred twenty-two million, ten thousand, one hundred twenty-five".
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