Base | Representation |
---|---|
bin | 11010110011011111110… |
… | …00001011111010110001 |
3 | 10021001021001222200020121 |
4 | 31121233320023322301 |
5 | 110042202000014301 |
6 | 1543033534210241 |
7 | 123353144561560 |
oct | 15315770137261 |
9 | 3231231880217 |
10 | 921000001201 |
11 | 325659543595 |
12 | 12a5b5053981 |
13 | 68b083a1617 |
14 | 32810419bd7 |
15 | 18e55e793a1 |
hex | d66fe0beb1 |
921000001201 has 8 divisors (see below), whose sum is σ = 1052577478080. Its totient is φ = 789424036368.
The previous prime is 921000001123. The next prime is 921000001211. The reversal of 921000001201 is 102100000129.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 921000001201 - 215 = 920999968433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (921000001211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659135 + ... + 2143531.
It is an arithmetic number, because the mean of its divisors is an integer number (131572184760).
Almost surely, 2921000001201 is an apocalyptic number.
It is an amenable number.
921000001201 is a deficient number, since it is larger than the sum of its proper divisors (131577476879).
921000001201 is a wasteful number, since it uses less digits than its factorization.
921000001201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 756023.
The product of its (nonzero) digits is 36, while the sum is 16.
The spelling of 921000001201 in words is "nine hundred twenty-one billion, one thousand, two hundred one".
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