Base | Representation |
---|---|
bin | 111100110011000… |
… | …010011010110011 |
3 | 2122002022222201001 |
4 | 330303002122303 |
5 | 4042110342321 |
6 | 245114222431 |
7 | 34163650351 |
oct | 7463023263 |
9 | 2562288631 |
10 | 1020012211 |
11 | 4838522a9 |
12 | 245724a17 |
13 | 13342602a |
14 | 9967a7d1 |
15 | 5e835c91 |
hex | 3ccc26b3 |
1020012211 has 8 divisors (see below), whose sum is σ = 1064726784. Its totient is φ = 975328200.
The previous prime is 1020012187. The next prime is 1020012269. The reversal of 1020012211 is 1122100201.
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 1020012211 - 211 = 1020010163 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1020012271) 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, 84186 + ... + 95536.
It is an arithmetic number, because the mean of its divisors is an integer number (133090848).
Almost surely, 21020012211 is an apocalyptic number.
1020012211 is a deficient number, since it is larger than the sum of its proper divisors (44714573).
1020012211 is a wasteful number, since it uses less digits than its factorization.
1020012211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15281.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 1020012211 is about 31937.6300153909. The cubic root of 1020012211 is about 1006.6267264950.
Adding to 1020012211 its reverse (1122100201), we get a palindrome (2142112412).
The spelling of 1020012211 in words is "one billion, twenty million, twelve thousand, two hundred eleven".
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