Base | Representation |
---|---|
bin | 111100010100110… |
… | …111000001011011 |
3 | 2121112110001212001 |
4 | 330110313001123 |
5 | 4033044214321 |
6 | 244232501431 |
7 | 34036501252 |
oct | 7424670133 |
9 | 2545401761 |
10 | 1012101211 |
11 | 47a339690 |
12 | 242b4a877 |
13 | 1318b6274 |
14 | 985bb799 |
15 | 5dcc1c91 |
hex | 3c53705b |
1012101211 has 8 divisors (see below), whose sum is σ = 1104379200. Its totient is φ = 919868040.
The previous prime is 1012101179. The next prime is 1012101257. The reversal of 1012101211 is 1121012101.
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 1012101211 - 25 = 1012101179 is a prime.
It is a super-2 number, since 2×10121012112 = 2048697722615333042, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1012101011) 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, 51120 + ... + 68098.
It is an arithmetic number, because the mean of its divisors is an integer number (138047400).
Almost surely, 21012101211 is an apocalyptic number.
1012101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1012101211 is a deficient number, since it is larger than the sum of its proper divisors (92277989).
1012101211 is a wasteful number, since it uses less digits than its factorization.
1012101211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22409.
The product of its (nonzero) digits is 4, while the sum is 10.
The square root of 1012101211 is about 31813.5381716652. The cubic root of 1012101211 is about 1004.0175744795.
Adding to 1012101211 its reverse (1121012101), we get a palindrome (2133113312).
The spelling of 1012101211 in words is "one billion, twelve million, one hundred one thousand, two hundred eleven".
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