Base | Representation |
---|---|
bin | 110001011110101… |
… | …010010000101001 |
3 | 2010212000111221021 |
4 | 301132222100221 |
5 | 3200002333001 |
6 | 214212212441 |
7 | 26366624563 |
oct | 6136522051 |
9 | 2125014837 |
10 | 830121001 |
11 | 396644216 |
12 | 1b200a121 |
13 | 102c9ac78 |
14 | 7c36a333 |
15 | 4cd26ba1 |
hex | 317aa429 |
830121001 has 16 divisors (see below), whose sum is σ = 896420800. Its totient is φ = 766324800.
The previous prime is 830120971. The next prime is 830121013. The reversal of 830121001 is 100121038.
It is a cyclic number.
It is not a de Polignac number, because 830121001 - 211 = 830118953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (830121031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123046 + ... + 129616.
It is an arithmetic number, because the mean of its divisors is an integer number (56026300).
Almost surely, 2830121001 is an apocalyptic number.
It is an amenable number.
830121001 is a deficient number, since it is larger than the sum of its proper divisors (66299799).
830121001 is a wasteful number, since it uses less digits than its factorization.
830121001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6760.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 830121001 is about 28811.8205082567. The cubic root of 830121001 is about 939.8253036601.
Adding to 830121001 its reverse (100121038), we get a palindrome (930242039).
The spelling of 830121001 in words is "eight hundred thirty million, one hundred twenty-one thousand, one".
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