Base | Representation |
---|---|
bin | 10011110001100101… |
… | …100000011000011111 |
3 | 2000210202122200021110 |
4 | 103301211200120133 |
5 | 321441122311312 |
6 | 13430533033103 |
7 | 1351113415563 |
oct | 236145403037 |
9 | 60722580243 |
10 | 21233010207 |
11 | 9006531922 |
12 | 4146a85793 |
13 | 2004c89286 |
14 | 1055d696a3 |
15 | 84412743c |
hex | 4f196061f |
21233010207 has 16 divisors (see below), whose sum is σ = 29804768000. Its totient is φ = 13408498944.
The previous prime is 21233010193. The next prime is 21233010209. The reversal of 21233010207 is 70201033212.
It is not a de Polignac number, because 21233010207 - 219 = 21232485919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21233010209) 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 15 ways as a sum of consecutive naturals, for example, 488094 + ... + 529812.
It is an arithmetic number, because the mean of its divisors is an integer number (1862798000).
Almost surely, 221233010207 is an apocalyptic number.
21233010207 is a deficient number, since it is larger than the sum of its proper divisors (8571757793).
21233010207 is a wasteful number, since it uses less digits than its factorization.
21233010207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50670.
The product of its (nonzero) digits is 504, while the sum is 21.
Adding to 21233010207 its reverse (70201033212), we get a palindrome (91434043419).
The spelling of 21233010207 in words is "twenty-one billion, two hundred thirty-three million, ten thousand, two hundred seven".
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