Base | Representation |
---|---|
bin | 10010110110101000… |
… | …10111101100110001 |
3 | 222010102022221022101 |
4 | 21123110113230301 |
5 | 131212213014301 |
6 | 4352221340401 |
7 | 505555406404 |
oct | 113324275461 |
9 | 28112287271 |
10 | 10122001201 |
11 | 4324673354 |
12 | 1b65a07701 |
13 | c54065230 |
14 | 6c043dd3b |
15 | 3e395b701 |
hex | 25b517b31 |
10122001201 has 4 divisors (see below), whose sum is σ = 10900616692. Its totient is φ = 9343385712.
The previous prime is 10122001189. The next prime is 10122001217. The reversal of 10122001201 is 10210022101.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1412632225 + 8709368976 = 37585^2 + 93324^2 .
It is a cyclic number.
It is not a de Polignac number, because 10122001201 - 219 = 10121476913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10122001601) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389307726 + ... + 389307751.
It is an arithmetic number, because the mean of its divisors is an integer number (2725154173).
Almost surely, 210122001201 is an apocalyptic number.
It is an amenable number.
10122001201 is a deficient number, since it is larger than the sum of its proper divisors (778615491).
10122001201 is an equidigital number, since it uses as much as digits as its factorization.
10122001201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 778615490.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 10122001201 its reverse (10210022101), we get a palindrome (20332023302).
The spelling of 10122001201 in words is "ten billion, one hundred twenty-two million, one thousand, two hundred one".
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