Base | Representation |
---|---|
bin | 10100111000100101… |
… | …10011100100010101 |
3 | 1001221101120012121002 |
4 | 22130102303210111 |
5 | 140430300010401 |
6 | 5052322233045 |
7 | 544563235433 |
oct | 123422634425 |
9 | 31841505532 |
10 | 11212110101 |
11 | 4833a422a5 |
12 | 220aab5785 |
13 | 1098b61a9a |
14 | 785125d53 |
15 | 4594dba6b |
hex | 29c4b3915 |
11212110101 has 8 divisors (see below), whose sum is σ = 11576984064. Its totient is φ = 10847435760.
The previous prime is 11212110097. The next prime is 11212110103. The reversal of 11212110101 is 10101121211.
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 11212110101 - 22 = 11212110097 is a prime.
It is a super-2 number, since 2×112121101012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11212110103) 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, 68771 + ... + 164783.
It is an arithmetic number, because the mean of its divisors is an integer number (1447123008).
Almost surely, 211212110101 is an apocalyptic number.
It is an amenable number.
11212110101 is a deficient number, since it is larger than the sum of its proper divisors (364873963).
11212110101 is an equidigital number, since it uses as much as digits as its factorization.
11212110101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99811.
The product of its (nonzero) digits is 4, while the sum is 11.
Adding to 11212110101 its reverse (10101121211), we get a palindrome (21313231312).
The spelling of 11212110101 in words is "eleven billion, two hundred twelve million, one hundred ten thousand, one hundred one".
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